NEET Exam  >  NEET Notes  >  Additional Study Material for NEET  >  Past Year Paper, Physics (Set - 3), Delhi, 2016, Class 12, Physics

Past Year Paper, Physics (Set - 3), Delhi, 2016, Class 12, Physics | Additional Study Material for NEET PDF Download

Download, print and study this document offline
Please wait while the PDF view is loading
 Page 1


55/1/3/D 1 [P.T.O. 
 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
³ÖÖîןÖÛú ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
PHYSICS (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  : 3 ‘ÖÓ™êü †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë Ûãú»Ö 26 ¯ÖÏ¿®Ö Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü …  
 (ii) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö Ûêú 5 ³ÖÖÝÖ Æïü : ÜÖÞ›ü-Ûú, ÜÖÞ›ü-ÜÖ, ÜÖÞ›ü-ÝÖ, ÜÖÞ›ü-‘Ö †Öî¸ü ÜÖÞ›ü-’û …  
 (iii) ÜÖÞ›ü-Ûú ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 1 †ÓÛú ÛúÖ, ÜÖÞ›ü-ÜÖ ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 2 †ÓÛú Ûêú, ÜÖÞ›ü-ÝÖ ´Öë 12 ¯ÖÏ¿®Ö 
¯ÖÏŸµÖêÛú 3 †ÓÛú Ûêú, ÜÖÞ›ü-‘Ö ´Öë 4 †ÓÛú ÛúÖ ‹Ûú ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö †Öî¸ü ÜÖÞ›ü-’û ´Öë 3 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 5 †ÓÛú 
Ûêú פü‹ ÝÖ‹ Æïü …  
 (iv) ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü … ×±ú¸ü ³Öß 2 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö, 3 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö †Öî¸ü 5 †ÓÛúÖë Ûêú 3 ¯ÖÏ¿®ÖÖë 
´Öë ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ‹êÃÖê ¯ÖÏ¿®ÖÖë ´Öë †Ö¯ÖÛúÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ‹Ûú ÛúÖê Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : ONS/1 
55/1/3/D 
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 15 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 15 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
     
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 3 
Page 2


55/1/3/D 1 [P.T.O. 
 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
³ÖÖîןÖÛú ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
PHYSICS (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  : 3 ‘ÖÓ™êü †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë Ûãú»Ö 26 ¯ÖÏ¿®Ö Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü …  
 (ii) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö Ûêú 5 ³ÖÖÝÖ Æïü : ÜÖÞ›ü-Ûú, ÜÖÞ›ü-ÜÖ, ÜÖÞ›ü-ÝÖ, ÜÖÞ›ü-‘Ö †Öî¸ü ÜÖÞ›ü-’û …  
 (iii) ÜÖÞ›ü-Ûú ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 1 †ÓÛú ÛúÖ, ÜÖÞ›ü-ÜÖ ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 2 †ÓÛú Ûêú, ÜÖÞ›ü-ÝÖ ´Öë 12 ¯ÖÏ¿®Ö 
¯ÖÏŸµÖêÛú 3 †ÓÛú Ûêú, ÜÖÞ›ü-‘Ö ´Öë 4 †ÓÛú ÛúÖ ‹Ûú ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö †Öî¸ü ÜÖÞ›ü-’û ´Öë 3 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 5 †ÓÛú 
Ûêú פü‹ ÝÖ‹ Æïü …  
 (iv) ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü … ×±ú¸ü ³Öß 2 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö, 3 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö †Öî¸ü 5 †ÓÛúÖë Ûêú 3 ¯ÖÏ¿®ÖÖë 
´Öë ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ‹êÃÖê ¯ÖÏ¿®ÖÖë ´Öë †Ö¯ÖÛúÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ‹Ûú ÛúÖê Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : ONS/1 
55/1/3/D 
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 15 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 15 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
     
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 3 
55/1/3/D 2 
 (v) •ÖÆüÖÑ †Ö¾Ö¿µÖÛú ÆüÖê, ¾ÖÆüÖÑ †Ö¯Ö ³ÖÖîןÖÛ  †“Ö¸üÖë Ûêú ×®Ö´®Ö×»Ö×ÜÖŸÖ ´Ö滵ÖÖë ÛúÖ ˆ¯ÖµÖÖêÝÖ Ûú¸ü ÃÖÛúŸÖê Æïü : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  ‡»ÖꌙÒüÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 9.1 × 10
–31
 kg 
  ®µÖæ™ÒüÖò®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.675 × 10
–27
 kg 
  ¯ÖÏÖê™üÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.673 × 10
–27
 kg 
  ‹ê¾ÖÖêÝÖê›ÒüÖê ÃÖÓܵÖÖ = 6.023 × 10
23
 ¯ÖÏ×ŸÖ ÝÖÏÖ´Ö ´ÖÖê»Ö  
  ²ÖÖò»™Ëü•ÖÌ´ÖÖ®Ö ×®ÖµÖŸÖÖÓÛú = 1.38 × 10
–23
 JK
–1
 
General Instructions :   
 (i) All questions are compulsory. There are 26 questions in all. 
 (ii) This question paper has five sections : Section A, Section B, Section C, Section D 
and Section E. 
 (iii) Section A contains five questions of one mark each, Section B contains five 
questions of two marks each, Section C contains twelve questions of three marks 
each, Section D contains one value based question of four marks and Section E 
contains three questions of five marks each. 
 (iv) There is no overall choice. However, an internal choice has been provided in one 
question of two marks, one question of three marks and all the three questions of 
five marks weightage. You have to attempt only one of the choices in such 
questions. 
 (v) You may use the following values of physical constants wherever necessary : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  Mass of electron = 9.1 × 10
–31
 kg 
  Mass of neutron = 1.675 × 10
–27
 kg 
  Mass of proton = 1.673 × 10
–27
 kg 
  Avogadro’s number = 6.023 × 10
23
 per gram mole 
  Boltzmann constant = 1.38 × 10
–23
 JK
–1
 
Page 3


55/1/3/D 1 [P.T.O. 
 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
³ÖÖîןÖÛú ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
PHYSICS (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  : 3 ‘ÖÓ™êü †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë Ûãú»Ö 26 ¯ÖÏ¿®Ö Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü …  
 (ii) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö Ûêú 5 ³ÖÖÝÖ Æïü : ÜÖÞ›ü-Ûú, ÜÖÞ›ü-ÜÖ, ÜÖÞ›ü-ÝÖ, ÜÖÞ›ü-‘Ö †Öî¸ü ÜÖÞ›ü-’û …  
 (iii) ÜÖÞ›ü-Ûú ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 1 †ÓÛú ÛúÖ, ÜÖÞ›ü-ÜÖ ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 2 †ÓÛú Ûêú, ÜÖÞ›ü-ÝÖ ´Öë 12 ¯ÖÏ¿®Ö 
¯ÖÏŸµÖêÛú 3 †ÓÛú Ûêú, ÜÖÞ›ü-‘Ö ´Öë 4 †ÓÛú ÛúÖ ‹Ûú ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö †Öî¸ü ÜÖÞ›ü-’û ´Öë 3 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 5 †ÓÛú 
Ûêú פü‹ ÝÖ‹ Æïü …  
 (iv) ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü … ×±ú¸ü ³Öß 2 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö, 3 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö †Öî¸ü 5 †ÓÛúÖë Ûêú 3 ¯ÖÏ¿®ÖÖë 
´Öë ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ‹êÃÖê ¯ÖÏ¿®ÖÖë ´Öë †Ö¯ÖÛúÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ‹Ûú ÛúÖê Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : ONS/1 
55/1/3/D 
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 15 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 15 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
     
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 3 
55/1/3/D 2 
 (v) •ÖÆüÖÑ †Ö¾Ö¿µÖÛú ÆüÖê, ¾ÖÆüÖÑ †Ö¯Ö ³ÖÖîןÖÛ  †“Ö¸üÖë Ûêú ×®Ö´®Ö×»Ö×ÜÖŸÖ ´Ö滵ÖÖë ÛúÖ ˆ¯ÖµÖÖêÝÖ Ûú¸ü ÃÖÛúŸÖê Æïü : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  ‡»ÖꌙÒüÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 9.1 × 10
–31
 kg 
  ®µÖæ™ÒüÖò®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.675 × 10
–27
 kg 
  ¯ÖÏÖê™üÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.673 × 10
–27
 kg 
  ‹ê¾ÖÖêÝÖê›ÒüÖê ÃÖÓܵÖÖ = 6.023 × 10
23
 ¯ÖÏ×ŸÖ ÝÖÏÖ´Ö ´ÖÖê»Ö  
  ²ÖÖò»™Ëü•ÖÌ´ÖÖ®Ö ×®ÖµÖŸÖÖÓÛú = 1.38 × 10
–23
 JK
–1
 
General Instructions :   
 (i) All questions are compulsory. There are 26 questions in all. 
 (ii) This question paper has five sections : Section A, Section B, Section C, Section D 
and Section E. 
 (iii) Section A contains five questions of one mark each, Section B contains five 
questions of two marks each, Section C contains twelve questions of three marks 
each, Section D contains one value based question of four marks and Section E 
contains three questions of five marks each. 
 (iv) There is no overall choice. However, an internal choice has been provided in one 
question of two marks, one question of three marks and all the three questions of 
five marks weightage. You have to attempt only one of the choices in such 
questions. 
 (v) You may use the following values of physical constants wherever necessary : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  Mass of electron = 9.1 × 10
–31
 kg 
  Mass of neutron = 1.675 × 10
–27
 kg 
  Mass of proton = 1.673 × 10
–27
 kg 
  Avogadro’s number = 6.023 × 10
23
 per gram mole 
  Boltzmann constant = 1.38 × 10
–23
 JK
–1
 
55/1/3/D 3 [P.T.O. 
ÜÖÞ›ü – Ûú 
SECTION – A 
 
1. ÁÖêÞÖß LCR ¯Ö׸ü¯Ö£Ö ´Öë †®Öã®ÖÖ¤ü Ûêú ‘ÝÖãÞÖŸÖÖ ÛúÖ¸üÛú’ Ûúß ¯Ö׸ü³ÖÖÂÖÖ ×»Ö×ÜÖ‹ … ‡ÃÖÛúÖ SI ´ÖÖ¡ÖÛú ŒµÖÖ Æîü ? 1 
 Define ‘quality factor’ of resonance in series LCR circuit. What is its SI unit ? 
 
2.  ×“Ö¡Ö ´Öë ¤ü¿ÖÖÔ‹ †®ÖãÃÖÖ¸ü ÛúÖê‡Ô ײ֮¤ãü×ÛúŸÖ †Ö¾Öê¿Ö +Q ×ÛúÃÖß ×²Ö®¤ãü O ¯Ö¸ü ×Ã£ÖŸÖ Æîü … ˆ»»ÖêÜÖ Ûúßו֋ ×Ûú ŒµÖÖ 
×¾Ö³Ö¾ÖÖ®ŸÖ¸ü V
A
 – V
B
 ¬Ö®ÖÖŸ´ÖÛú, ŠúÞÖÖŸ´ÖÛú †£Ö¾ÖÖ ¿Öæ®µÖ Æîü …  1  
  +Q•----------------------------•------------• 
       O   A B 
 A point charge +Q is placed at point O as shown in the figure. Is the potential 
difference V
A
 – V
B
 positive, negative or zero ? 
  +Q•----------------------------•------------• 
       O   A B 
  
3. µÖפü ×ÛúÃÖß ÝÖÖê»ÖßµÖ ÝÖÖÃÖßµÖ ¯Öéšü Ûúß ×¡Ö•µÖÖ ´Öë ¾Öéרü Ûú¸ü ¤üß •ÖÖ‹, ŸÖÖê ˆÃÖ´Öë ¯Ö׸ü²Ö¨ü ×ÛúÃÖß ×²Ö®¤ãü×ÛúŸÖ †Ö¾Öê¿Ö Ûêú 
ÛúÖ¸üÞÖ ×¾ÖªãŸÖ õÖê¡Ö ´Öë ŒµÖÖ ¯Ö׸ü¾ÖŸÖÔ®Ö ÆüÖêÝÖÖ ?  1 
 How does the electric flux due to a point charge enclosed by a spherical Gaussian 
surface get affected when its radius is increased ? 
 
4. ×¾Ö´ÖÖ®Ö ÃÖÓ“ÖÖ»Ö®Ö Ûúß ¸ü›üÖ¸ü ¯ÖÏÞÖÖ»Öß Ûêú ×»Ö‹ ÃÖæõ´Ö ŸÖ¸ÓüÝÖÖë ÛúÖê ˆ¯ÖµÖãŒŸÖ ŒµÖÖë ´ÖÖ®ÖÖ •ÖÖŸÖÖ Æîü ? 1 
 Why are micro waves considered suitable for radar systems used in aircraft          
navigation ? 
 
5. “Ö»Ö ÛãúÞ›ü»Öß ÝÖÖê®ÖÖê´Öß™ü¸ü ÛúÖ †Ö¬ÖÖ׸üŸÖ ×ÃÖ¨üÖ®ŸÖ ×»Ö×ÜÖ‹ … 1 
 Write the underlying principle of a moving coil galvanometer. 
 
Page 4


55/1/3/D 1 [P.T.O. 
 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
³ÖÖîןÖÛú ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
PHYSICS (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  : 3 ‘ÖÓ™êü †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë Ûãú»Ö 26 ¯ÖÏ¿®Ö Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü …  
 (ii) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö Ûêú 5 ³ÖÖÝÖ Æïü : ÜÖÞ›ü-Ûú, ÜÖÞ›ü-ÜÖ, ÜÖÞ›ü-ÝÖ, ÜÖÞ›ü-‘Ö †Öî¸ü ÜÖÞ›ü-’û …  
 (iii) ÜÖÞ›ü-Ûú ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 1 †ÓÛú ÛúÖ, ÜÖÞ›ü-ÜÖ ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 2 †ÓÛú Ûêú, ÜÖÞ›ü-ÝÖ ´Öë 12 ¯ÖÏ¿®Ö 
¯ÖÏŸµÖêÛú 3 †ÓÛú Ûêú, ÜÖÞ›ü-‘Ö ´Öë 4 †ÓÛú ÛúÖ ‹Ûú ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö †Öî¸ü ÜÖÞ›ü-’û ´Öë 3 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 5 †ÓÛú 
Ûêú פü‹ ÝÖ‹ Æïü …  
 (iv) ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü … ×±ú¸ü ³Öß 2 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö, 3 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö †Öî¸ü 5 †ÓÛúÖë Ûêú 3 ¯ÖÏ¿®ÖÖë 
´Öë ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ‹êÃÖê ¯ÖÏ¿®ÖÖë ´Öë †Ö¯ÖÛúÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ‹Ûú ÛúÖê Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : ONS/1 
55/1/3/D 
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 15 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 15 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
     
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 3 
55/1/3/D 2 
 (v) •ÖÆüÖÑ †Ö¾Ö¿µÖÛú ÆüÖê, ¾ÖÆüÖÑ †Ö¯Ö ³ÖÖîןÖÛ  †“Ö¸üÖë Ûêú ×®Ö´®Ö×»Ö×ÜÖŸÖ ´Ö滵ÖÖë ÛúÖ ˆ¯ÖµÖÖêÝÖ Ûú¸ü ÃÖÛúŸÖê Æïü : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  ‡»ÖꌙÒüÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 9.1 × 10
–31
 kg 
  ®µÖæ™ÒüÖò®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.675 × 10
–27
 kg 
  ¯ÖÏÖê™üÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.673 × 10
–27
 kg 
  ‹ê¾ÖÖêÝÖê›ÒüÖê ÃÖÓܵÖÖ = 6.023 × 10
23
 ¯ÖÏ×ŸÖ ÝÖÏÖ´Ö ´ÖÖê»Ö  
  ²ÖÖò»™Ëü•ÖÌ´ÖÖ®Ö ×®ÖµÖŸÖÖÓÛú = 1.38 × 10
–23
 JK
–1
 
General Instructions :   
 (i) All questions are compulsory. There are 26 questions in all. 
 (ii) This question paper has five sections : Section A, Section B, Section C, Section D 
and Section E. 
 (iii) Section A contains five questions of one mark each, Section B contains five 
questions of two marks each, Section C contains twelve questions of three marks 
each, Section D contains one value based question of four marks and Section E 
contains three questions of five marks each. 
 (iv) There is no overall choice. However, an internal choice has been provided in one 
question of two marks, one question of three marks and all the three questions of 
five marks weightage. You have to attempt only one of the choices in such 
questions. 
 (v) You may use the following values of physical constants wherever necessary : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  Mass of electron = 9.1 × 10
–31
 kg 
  Mass of neutron = 1.675 × 10
–27
 kg 
  Mass of proton = 1.673 × 10
–27
 kg 
  Avogadro’s number = 6.023 × 10
23
 per gram mole 
  Boltzmann constant = 1.38 × 10
–23
 JK
–1
 
55/1/3/D 3 [P.T.O. 
ÜÖÞ›ü – Ûú 
SECTION – A 
 
1. ÁÖêÞÖß LCR ¯Ö׸ü¯Ö£Ö ´Öë †®Öã®ÖÖ¤ü Ûêú ‘ÝÖãÞÖŸÖÖ ÛúÖ¸üÛú’ Ûúß ¯Ö׸ü³ÖÖÂÖÖ ×»Ö×ÜÖ‹ … ‡ÃÖÛúÖ SI ´ÖÖ¡ÖÛú ŒµÖÖ Æîü ? 1 
 Define ‘quality factor’ of resonance in series LCR circuit. What is its SI unit ? 
 
2.  ×“Ö¡Ö ´Öë ¤ü¿ÖÖÔ‹ †®ÖãÃÖÖ¸ü ÛúÖê‡Ô ײ֮¤ãü×ÛúŸÖ †Ö¾Öê¿Ö +Q ×ÛúÃÖß ×²Ö®¤ãü O ¯Ö¸ü ×Ã£ÖŸÖ Æîü … ˆ»»ÖêÜÖ Ûúßו֋ ×Ûú ŒµÖÖ 
×¾Ö³Ö¾ÖÖ®ŸÖ¸ü V
A
 – V
B
 ¬Ö®ÖÖŸ´ÖÛú, ŠúÞÖÖŸ´ÖÛú †£Ö¾ÖÖ ¿Öæ®µÖ Æîü …  1  
  +Q•----------------------------•------------• 
       O   A B 
 A point charge +Q is placed at point O as shown in the figure. Is the potential 
difference V
A
 – V
B
 positive, negative or zero ? 
  +Q•----------------------------•------------• 
       O   A B 
  
3. µÖפü ×ÛúÃÖß ÝÖÖê»ÖßµÖ ÝÖÖÃÖßµÖ ¯Öéšü Ûúß ×¡Ö•µÖÖ ´Öë ¾Öéרü Ûú¸ü ¤üß •ÖÖ‹, ŸÖÖê ˆÃÖ´Öë ¯Ö׸ü²Ö¨ü ×ÛúÃÖß ×²Ö®¤ãü×ÛúŸÖ †Ö¾Öê¿Ö Ûêú 
ÛúÖ¸üÞÖ ×¾ÖªãŸÖ õÖê¡Ö ´Öë ŒµÖÖ ¯Ö׸ü¾ÖŸÖÔ®Ö ÆüÖêÝÖÖ ?  1 
 How does the electric flux due to a point charge enclosed by a spherical Gaussian 
surface get affected when its radius is increased ? 
 
4. ×¾Ö´ÖÖ®Ö ÃÖÓ“ÖÖ»Ö®Ö Ûúß ¸ü›üÖ¸ü ¯ÖÏÞÖÖ»Öß Ûêú ×»Ö‹ ÃÖæõ´Ö ŸÖ¸ÓüÝÖÖë ÛúÖê ˆ¯ÖµÖãŒŸÖ ŒµÖÖë ´ÖÖ®ÖÖ •ÖÖŸÖÖ Æîü ? 1 
 Why are micro waves considered suitable for radar systems used in aircraft          
navigation ? 
 
5. “Ö»Ö ÛãúÞ›ü»Öß ÝÖÖê®ÖÖê´Öß™ü¸ü ÛúÖ †Ö¬ÖÖ׸üŸÖ ×ÃÖ¨üÖ®ŸÖ ×»Ö×ÜÖ‹ … 1 
 Write the underlying principle of a moving coil galvanometer. 
 
55/1/3/D 4 
ÜÖÞ›ü – ÜÖ  
SECTION – B 
 
6. ²ÖÎæÙü¸ü ×®ÖµÖ´Ö ×»Ö×ÜÖ‹ …  
 ×¾Ö׳֮®Ö ¾ÖÞÖÖí Ûêú ¯ÖÏÛúÖ¿Ö Ûêú ×»Ö‹ ¯ÖÖ¸ü¤ü¿Öá ´ÖÖ¬µÖ´Ö Ûêú ²ÖÎæÙü¸ü ÛúÖêÞÖ ÛúÖ ´ÖÖ®Ö ×³Ö®®Ö-׳֮®Ö ÆüÖêŸÖÖ Æîü … ÛúÖ¸üÞÖ ¤üßו֋ … 2 
 State Brewster’s law. 
 The value of Brewster angle for a transparent medium is different for light of different 
colours. Give reason. 
 
7. ÃÖÓ“ÖÖ¸ü ¯ÖÏÞÖÖ»Öß ´Öë ˆ¯ÖµÖÖêÝÖ ÆüÖê®Öê ¾ÖÖ»Öê ¯Ö¤üÖë (i) ÃÖÓÛúßÞÖÔ®Ö (õÖßÞÖŸÖÖ) (ii) ×¾Ö´ÖÖò›ãü»Ö®Ö Ûúß ¾µÖÖܵÖÖ Ûúßו֋ … 2  
 Explain the terms (i) Attenuation and (ii) Demodulation used in Communication 
System.   
 
8. ÃÖ´ÖÖ®Ö †Ö¾Öê¿Ö ¯Ö¸ü®ŸÖã ×¾Ö׳֮®Ö ¦ü¾µÖ´ÖÖ®ÖÖë m
1
 , m
2
 (m
1
 > m
2
) Ûêú ¤üÖê ÛúÞÖÖë A †Öî¸ü B Ûêú 
1
V
  †Öî¸ü            
¤êü-²ÖÎÖòÝ»Öß ŸÖ¸ÓüÝÖ¤îü‘µÖÔ ? Ûêú ²Öß“Ö ×¾Ö“Ö¸üÞÖ ÛúÖê ¤ü¿ÖÖÔ®Öê Ûêú ×»Ö‹ ÝÖÏÖ±ú ÜÖàד֋ … µÖפü V Ÿ¾Ö¸üÛú ×¾Ö³Ö¾Ö ÛúÖê ×®Öºþ×¯ÖŸÖ 
Ûú¸üŸÖÖ Æîü, ŸÖÖê ‡®Ö ¤üÖê®ÖÖë ´Öë ÃÖê ÛúÖî®Ö ”ûÖê™êü ¦ü¾µÖ´ÖÖ®Ö ÛúÖê ¯ÖϤüÙ¿ÖŸÖ Ûú¸üŸÖÖ Æîü ? ÛúÖ¸üÞÖ ¤üßו֋ … 2 
 Plot a graph showing variation of de-Broglie wavelength ? versus 
1
V
 , where V is 
accelerating potential for two particles A and B carrying same charge but of masses 
m
1
, m
2
 (m
1
 > m
2
). Which one of the two represents a particle of smaller mass and   
why ? 
 
9. ¤üÖê ÃÖê»Ö, ו֮ÖÛúß emf 1.5 V †Öî¸ü 2.0 V ŸÖ£ÖÖ †Ö®ŸÖ׸üÛú ¯ÖÏןָüÖê¬Ö ÛÎú´Ö¿Ö: 0.2 O ŸÖ£ÖÖ 0.3 O Æïü, ¯ÖÖ¿¾ÖÔ ´Öë 
ÃÖÓµÖÖê×•ÖŸÖ Æïü … ‡®ÖÛêú ŸÖã»µÖ ÃÖê»Ö Ûúß emf †Öî¸ü †Ö®ŸÖ׸üÛú ¯ÖÏןָüÖê¬Ö ¯Ö׸üÛú×»ÖŸÖ Ûúßו֋ … 2 
 Two cells of emfs 1.5 V and 2.0 V having internal resistances 0.2 O  and 0.3 O 
respectively are connected in parallel. Calculate the emf and internal resistance of the 
equivalent cell. 
Page 5


55/1/3/D 1 [P.T.O. 
 
 
 
 
 
¸üÖê»Ö ®ÖÓ. 
Roll No.  
 
 
 
³ÖÖîןÖÛú ×¾Ö–ÖÖ®Ö (ÃÖî¨üÖ×®ŸÖÛú) 
PHYSICS (Theory)  
×®Ö¬ÖÖÔ׸üŸÖ ÃÖ´ÖµÖ  : 3 ‘ÖÓ™êü †×¬ÖÛúŸÖ´Ö †ÓÛú  : 70 
Time allowed : 3 hours Maximum Marks : 70 
 
ÃÖÖ´ÖÖ®µÖ ×®Ö¤ìü¿Ö    : : : :   
    (i) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë Ûãú»Ö 26 ¯ÖÏ¿®Ö Æïü … ÃÖ³Öß ¯ÖÏ¿®Ö †×®Ö¾ÖÖµÖÔ Æïü …  
 (ii) ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö Ûêú 5 ³ÖÖÝÖ Æïü : ÜÖÞ›ü-Ûú, ÜÖÞ›ü-ÜÖ, ÜÖÞ›ü-ÝÖ, ÜÖÞ›ü-‘Ö †Öî¸ü ÜÖÞ›ü-’û …  
 (iii) ÜÖÞ›ü-Ûú ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 1 †ÓÛú ÛúÖ, ÜÖÞ›ü-ÜÖ ´Öë 5 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 2 †ÓÛú Ûêú, ÜÖÞ›ü-ÝÖ ´Öë 12 ¯ÖÏ¿®Ö 
¯ÖÏŸµÖêÛú 3 †ÓÛú Ûêú, ÜÖÞ›ü-‘Ö ´Öë 4 †ÓÛú ÛúÖ ‹Ûú ´Ö滵ÖÖ¬ÖÖ׸üŸÖ ¯ÖÏ¿®Ö †Öî¸ü ÜÖÞ›ü-’û ´Öë 3 ¯ÖÏ¿®Ö ¯ÖÏŸµÖêÛú 5 †ÓÛú 
Ûêú פü‹ ÝÖ‹ Æïü …  
 (iv) ÃÖ´ÖÝÖÏ ¯Ö¸ü ÛúÖê‡Ô ×¾ÖÛú»¯Ö ®ÖÆüà Æîü … ×±ú¸ü ³Öß 2 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö, 3 †ÓÛú Ûêú 1 ¯ÖÏ¿®Ö †Öî¸ü 5 †ÓÛúÖë Ûêú 3 ¯ÖÏ¿®ÖÖë 
´Öë ³Öߟָüß ×¾ÖÛú»¯Ö פü‹ ÝÖ‹ Æïü … ‹êÃÖê ¯ÖÏ¿®ÖÖë ´Öë †Ö¯ÖÛúÖê ×¾ÖÛú»¯ÖÖë ´Öë ÃÖê ‹Ûú ÛúÖê Æü»Ö Ûú¸ü®ÖÖ Æîü …  
 Series : ONS/1 
55/1/3/D 
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ´ÖãצüŸÖ ¯Öéšü 15 Æïü … 
• ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë ¤üÖ×Æü®Öê ÆüÖ£Ö Ûúß †Öê¸ü פü‹ ÝÖ‹ ÛúÖê›ü ®Ö´²Ö¸ü ÛúÖê ”ûÖ¡Ö ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü ¯Ö¸ü ×»ÖÜÖë …  
• Ûéú¯ÖµÖÖ •ÖÖÑ“Ö Ûú¸ü »Öë ×Ûú ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ´Öë 26 ¯ÖÏ¿®Ö Æïü …  
• Ûéú¯ÖµÖÖ ¯ÖÏ¿®Ö ÛúÖ ˆ¢Ö¸ü ×»ÖÜÖ®ÖÖ ¿Öãºþ Ûú¸ü®Öê ÃÖê ¯ÖÆü»Öê, ¯ÖÏ¿®Ö ÛúÖ ÛÎú´ÖÖÓÛú †¾Ö¿µÖ ×»ÖÜÖë …  
• ‡ÃÖ ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌü®Öê Ûêú ×»Ö‹ 15 ×´Ö®Ö™ü ÛúÖ ÃÖ´ÖµÖ ×¤üµÖÖ ÝÖµÖÖ Æîü … ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖ ×¾ÖŸÖ¸üÞÖ ¯Öæ¾ÖÖÔÆËü®Ö ´Öë 10.15 ²Ö•Öê 
×ÛúµÖÖ •ÖÖµÖêÝÖÖ … 10.15 ²Ö•Öê ÃÖê 10.30 ²Ö•Öê ŸÖÛú ”ûÖ¡Ö Ûêú¾Ö»Ö ¯ÖÏ¿®Ö-¯Ö¡Ö ÛúÖê ¯ÖœÌëüÝÖê †Öî¸ü ‡ÃÖ †¾Ö×¬Ö Ûêú ¤üÖî¸üÖ®Ö ¾Öê 
ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ ¯Ö¸ü ÛúÖê‡Ô ˆ¢Ö¸ü ®ÖÆüà ×»ÖÜÖëÝÖê …  
• Please check that this question paper contains 15 printed pages. 
• Code number given on the right hand side of the question paper should be written on the 
title page of the answer-book by the candidate. 
• Please check that this question paper contains 26 questions. 
• Please write down the Serial Number of the question before attempting it. 
• 15 minute time has been allotted to read this question paper. The question paper will be 
distributed at 10.15 a.m. From 10.15 a.m. to 10.30 a.m., the students will read the 
question paper only and will not write any answer on the answer-book during this period. 
ÛúÖê›ü ®ÖÓ. 
Code No.  
     
¯Ö¸üßõÖÖ£Öá ÛúÖê›ü ÛúÖê ˆ¢Ö¸ü-¯Öã×ßÖÛúÖ Ûêú ´ÖãÜÖ-¯Öéšü 
¯Ö¸ü †¾Ö¿µÖ ×»ÖÜÖë … 
Candidates must write the Code on 
the title page of the answer-book. 
 
SET – 3 
55/1/3/D 2 
 (v) •ÖÆüÖÑ †Ö¾Ö¿µÖÛú ÆüÖê, ¾ÖÆüÖÑ †Ö¯Ö ³ÖÖîןÖÛ  †“Ö¸üÖë Ûêú ×®Ö´®Ö×»Ö×ÜÖŸÖ ´Ö滵ÖÖë ÛúÖ ˆ¯ÖµÖÖêÝÖ Ûú¸ü ÃÖÛúŸÖê Æïü : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  ‡»ÖꌙÒüÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 9.1 × 10
–31
 kg 
  ®µÖæ™ÒüÖò®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.675 × 10
–27
 kg 
  ¯ÖÏÖê™üÖê®Ö ÛúÖ ¦ü¾µÖ´ÖÖ®Ö = 1.673 × 10
–27
 kg 
  ‹ê¾ÖÖêÝÖê›ÒüÖê ÃÖÓܵÖÖ = 6.023 × 10
23
 ¯ÖÏ×ŸÖ ÝÖÏÖ´Ö ´ÖÖê»Ö  
  ²ÖÖò»™Ëü•ÖÌ´ÖÖ®Ö ×®ÖµÖŸÖÖÓÛú = 1.38 × 10
–23
 JK
–1
 
General Instructions :   
 (i) All questions are compulsory. There are 26 questions in all. 
 (ii) This question paper has five sections : Section A, Section B, Section C, Section D 
and Section E. 
 (iii) Section A contains five questions of one mark each, Section B contains five 
questions of two marks each, Section C contains twelve questions of three marks 
each, Section D contains one value based question of four marks and Section E 
contains three questions of five marks each. 
 (iv) There is no overall choice. However, an internal choice has been provided in one 
question of two marks, one question of three marks and all the three questions of 
five marks weightage. You have to attempt only one of the choices in such 
questions. 
 (v) You may use the following values of physical constants wherever necessary : 
  c = 3 × 10
8
 m/s 
  h = 6.63 × 10
–34
 Js 
  e = 1.6 × 10
–19
 C 
  µ
0
 = 4p × 10
–7
 T m A
–1 
  
e
0
 = 8.854 × 10
–12
 C
2
 N
–1
 m
–2 
 
  
1
4pe
0
 = 9 × 10
9
 N m
2
 C
–2 
  Mass of electron = 9.1 × 10
–31
 kg 
  Mass of neutron = 1.675 × 10
–27
 kg 
  Mass of proton = 1.673 × 10
–27
 kg 
  Avogadro’s number = 6.023 × 10
23
 per gram mole 
  Boltzmann constant = 1.38 × 10
–23
 JK
–1
 
55/1/3/D 3 [P.T.O. 
ÜÖÞ›ü – Ûú 
SECTION – A 
 
1. ÁÖêÞÖß LCR ¯Ö׸ü¯Ö£Ö ´Öë †®Öã®ÖÖ¤ü Ûêú ‘ÝÖãÞÖŸÖÖ ÛúÖ¸üÛú’ Ûúß ¯Ö׸ü³ÖÖÂÖÖ ×»Ö×ÜÖ‹ … ‡ÃÖÛúÖ SI ´ÖÖ¡ÖÛú ŒµÖÖ Æîü ? 1 
 Define ‘quality factor’ of resonance in series LCR circuit. What is its SI unit ? 
 
2.  ×“Ö¡Ö ´Öë ¤ü¿ÖÖÔ‹ †®ÖãÃÖÖ¸ü ÛúÖê‡Ô ײ֮¤ãü×ÛúŸÖ †Ö¾Öê¿Ö +Q ×ÛúÃÖß ×²Ö®¤ãü O ¯Ö¸ü ×Ã£ÖŸÖ Æîü … ˆ»»ÖêÜÖ Ûúßו֋ ×Ûú ŒµÖÖ 
×¾Ö³Ö¾ÖÖ®ŸÖ¸ü V
A
 – V
B
 ¬Ö®ÖÖŸ´ÖÛú, ŠúÞÖÖŸ´ÖÛú †£Ö¾ÖÖ ¿Öæ®µÖ Æîü …  1  
  +Q•----------------------------•------------• 
       O   A B 
 A point charge +Q is placed at point O as shown in the figure. Is the potential 
difference V
A
 – V
B
 positive, negative or zero ? 
  +Q•----------------------------•------------• 
       O   A B 
  
3. µÖפü ×ÛúÃÖß ÝÖÖê»ÖßµÖ ÝÖÖÃÖßµÖ ¯Öéšü Ûúß ×¡Ö•µÖÖ ´Öë ¾Öéרü Ûú¸ü ¤üß •ÖÖ‹, ŸÖÖê ˆÃÖ´Öë ¯Ö׸ü²Ö¨ü ×ÛúÃÖß ×²Ö®¤ãü×ÛúŸÖ †Ö¾Öê¿Ö Ûêú 
ÛúÖ¸üÞÖ ×¾ÖªãŸÖ õÖê¡Ö ´Öë ŒµÖÖ ¯Ö׸ü¾ÖŸÖÔ®Ö ÆüÖêÝÖÖ ?  1 
 How does the electric flux due to a point charge enclosed by a spherical Gaussian 
surface get affected when its radius is increased ? 
 
4. ×¾Ö´ÖÖ®Ö ÃÖÓ“ÖÖ»Ö®Ö Ûúß ¸ü›üÖ¸ü ¯ÖÏÞÖÖ»Öß Ûêú ×»Ö‹ ÃÖæõ´Ö ŸÖ¸ÓüÝÖÖë ÛúÖê ˆ¯ÖµÖãŒŸÖ ŒµÖÖë ´ÖÖ®ÖÖ •ÖÖŸÖÖ Æîü ? 1 
 Why are micro waves considered suitable for radar systems used in aircraft          
navigation ? 
 
5. “Ö»Ö ÛãúÞ›ü»Öß ÝÖÖê®ÖÖê´Öß™ü¸ü ÛúÖ †Ö¬ÖÖ׸üŸÖ ×ÃÖ¨üÖ®ŸÖ ×»Ö×ÜÖ‹ … 1 
 Write the underlying principle of a moving coil galvanometer. 
 
55/1/3/D 4 
ÜÖÞ›ü – ÜÖ  
SECTION – B 
 
6. ²ÖÎæÙü¸ü ×®ÖµÖ´Ö ×»Ö×ÜÖ‹ …  
 ×¾Ö׳֮®Ö ¾ÖÞÖÖí Ûêú ¯ÖÏÛúÖ¿Ö Ûêú ×»Ö‹ ¯ÖÖ¸ü¤ü¿Öá ´ÖÖ¬µÖ´Ö Ûêú ²ÖÎæÙü¸ü ÛúÖêÞÖ ÛúÖ ´ÖÖ®Ö ×³Ö®®Ö-׳֮®Ö ÆüÖêŸÖÖ Æîü … ÛúÖ¸üÞÖ ¤üßו֋ … 2 
 State Brewster’s law. 
 The value of Brewster angle for a transparent medium is different for light of different 
colours. Give reason. 
 
7. ÃÖÓ“ÖÖ¸ü ¯ÖÏÞÖÖ»Öß ´Öë ˆ¯ÖµÖÖêÝÖ ÆüÖê®Öê ¾ÖÖ»Öê ¯Ö¤üÖë (i) ÃÖÓÛúßÞÖÔ®Ö (õÖßÞÖŸÖÖ) (ii) ×¾Ö´ÖÖò›ãü»Ö®Ö Ûúß ¾µÖÖܵÖÖ Ûúßו֋ … 2  
 Explain the terms (i) Attenuation and (ii) Demodulation used in Communication 
System.   
 
8. ÃÖ´ÖÖ®Ö †Ö¾Öê¿Ö ¯Ö¸ü®ŸÖã ×¾Ö׳֮®Ö ¦ü¾µÖ´ÖÖ®ÖÖë m
1
 , m
2
 (m
1
 > m
2
) Ûêú ¤üÖê ÛúÞÖÖë A †Öî¸ü B Ûêú 
1
V
  †Öî¸ü            
¤êü-²ÖÎÖòÝ»Öß ŸÖ¸ÓüÝÖ¤îü‘µÖÔ ? Ûêú ²Öß“Ö ×¾Ö“Ö¸üÞÖ ÛúÖê ¤ü¿ÖÖÔ®Öê Ûêú ×»Ö‹ ÝÖÏÖ±ú ÜÖàד֋ … µÖפü V Ÿ¾Ö¸üÛú ×¾Ö³Ö¾Ö ÛúÖê ×®Öºþ×¯ÖŸÖ 
Ûú¸üŸÖÖ Æîü, ŸÖÖê ‡®Ö ¤üÖê®ÖÖë ´Öë ÃÖê ÛúÖî®Ö ”ûÖê™êü ¦ü¾µÖ´ÖÖ®Ö ÛúÖê ¯ÖϤüÙ¿ÖŸÖ Ûú¸üŸÖÖ Æîü ? ÛúÖ¸üÞÖ ¤üßו֋ … 2 
 Plot a graph showing variation of de-Broglie wavelength ? versus 
1
V
 , where V is 
accelerating potential for two particles A and B carrying same charge but of masses 
m
1
, m
2
 (m
1
 > m
2
). Which one of the two represents a particle of smaller mass and   
why ? 
 
9. ¤üÖê ÃÖê»Ö, ו֮ÖÛúß emf 1.5 V †Öî¸ü 2.0 V ŸÖ£ÖÖ †Ö®ŸÖ׸üÛú ¯ÖÏןָüÖê¬Ö ÛÎú´Ö¿Ö: 0.2 O ŸÖ£ÖÖ 0.3 O Æïü, ¯ÖÖ¿¾ÖÔ ´Öë 
ÃÖÓµÖÖê×•ÖŸÖ Æïü … ‡®ÖÛêú ŸÖã»µÖ ÃÖê»Ö Ûúß emf †Öî¸ü †Ö®ŸÖ׸üÛú ¯ÖÏןָüÖê¬Ö ¯Ö׸üÛú×»ÖŸÖ Ûúßו֋ … 2 
 Two cells of emfs 1.5 V and 2.0 V having internal resistances 0.2 O  and 0.3 O 
respectively are connected in parallel. Calculate the emf and internal resistance of the 
equivalent cell. 
55/1/3/D 5 [P.T.O. 
10. ¦ü¾µÖ´ÖÖ®Ö ÃÖÓܵÖÖ A = 240 ŸÖ£ÖÖ ²Ö®¬Ö®Ö ‰ú•ÖÖÔ ¯ÖÏ×ŸÖ ®µÖã׌»Ö†Öò®Ö BE/A = 7.6 MeV ÛúÖ ÛúÖê‡Ô ®ÖÖ׳ÖÛú ¤üÖê ™ãüÛú›ÌüÖë 
´Öë ×¾ÖÜÖ×Þ›üŸÖ ÆüÖêŸÖÖ Æîü וִ֮Öë ¯ÖÏŸµÖêÛú Ûêú ×»Ö‹ A = 120 †Öî¸ü BE/A = 8.5 MeV Æîü … ´Ö㌟Ö-‰ú•ÖÖÔ ¯Ö׸üÛú×»ÖŸÖ 
Ûúßו֋ …   2  
†£Ö¾ÖÖ 
 ÃÖÓ»ÖµÖ®Ö †×³Ö×ÛÎúµÖÖ 
2
1
H + 
2
1
H ?? 
3
2
He + n, •Ö²Ö×Ûú, ²ÖÓ¬Ö®Ö ‰ú•ÖÖÔ (BE) 
2
1
H Ûúß 2.23 MeV ŸÖ£ÖÖ 
3
2
He Ûúß 
7.73 MeV Æîü, ´Öë ‰ú•ÖÖÔ ¯Ö׸üÛú×»ÖŸÖ Ûúßו֋ … 
 A nucleus with mass number A = 240 and BE/A = 7.6 MeV breaks into two fragments 
each of A = 120 with BE/A = 8.5 MeV. Calculate the released energy. 
OR 
 Calculate the energy in fusion reaction :  
 
2
1
H + 
2
1
H ?? 
3
2
He + n, where BE of  
2
1
H = 2.23 MeV and of 
3
2
He = 7.73 MeV. 
 
ÜÖÞ›ü-ÝÖ 
SECTION – C 
 
11. (a) “Öã´²ÖÛúßµÖ õÖê¡Ö B ´Öë ¾ÖêÝÖ ? ÃÖê ÝÖןִÖÖ®Ö ×ÛúÃÖß †Ö¾Öê×¿ÖŸÖ ÛúÞÖ ¯Ö¸ü »ÖÝÖ®Öê ¾ÖÖ»Öê “Öã´²ÖÛúßµÖ ²Ö»Ö Ûêú ×»Ö‹ 
¾µÖÓ•ÖÛú ×»Ö×ÜÖ‹ … 3 
 (b) ÃÖ´ÖÖ®Ö ¾ÖêÝÖ ÃÖê ÝÖןִÖÖ®Ö ÛúÖê‡Ô ®µÖæ™ÒüÖò®Ö, ‡»ÖꌙÒüÖò®Ö †Öî¸ü ‹ê»±úÖ ÛúÞÖ ×“Ö¡Ö ´Öë ¤ü¿ÖÖÔ‹ †®ÖãÃÖÖ¸ü ¯Öê¯Ö¸ü Ûêú ŸÖ»Ö Ûêú 
³Öߟָü •ÖÖŸÖê ×ÛúÃÖß ‹ÛúÃÖ´ÖÖ®Ö “Öã´²ÖÛúßµÖ õÖê¡Ö ´Öë ¯ÖϾÖê¿Ö Ûú¸üŸÖê Æïü … õÖê¡Ö ´Öë ‡®ÖÛêú ¯Ö£Ö †Ö¸êü×ÜÖŸÖ Ûúßו֋ †Öî¸ü 
†¯Ö®Öê ˆ¢Ö¸ü Ûúß ¯Öã×™ü Ûúßו֋ … 
x x x x x x
x x x x x x
x x x x x x
x x x x x x
a
n
e
 
 (a) Write the expression for the magnetic force acting on a charged particle moving 
with velocity ? in the presence of magnetic field B. 
Read More
26 videos|287 docs|64 tests

Top Courses for NEET

FAQs on Past Year Paper, Physics (Set - 3), Delhi, 2016, Class 12, Physics - Additional Study Material for NEET

1. How can I access the past year paper for Delhi Class 12 Physics exam 2016?
Ans. You can access the past year paper for Delhi Class 12 Physics exam 2016 by visiting the official website of the respective education board or by searching for it on various educational websites. These papers are usually available in PDF format and can be downloaded for free.
2. What is the significance of solving past year papers for the Class 12 Physics exam?
Ans. Solving past year papers for the Class 12 Physics exam is highly beneficial as it helps in understanding the exam pattern, familiarizing yourself with the types of questions asked, and assessing your preparation level. It also aids in time management and improves your problem-solving skills.
3. How can I effectively use the past year paper for exam preparation?
Ans. To effectively use the past year paper for exam preparation, start by timing yourself and attempting the paper as if it were the actual exam. After completing the paper, evaluate your answers and identify the areas where you made mistakes or faced difficulties. Focus on revising those topics and practice similar questions to improve your understanding and performance.
4. Are the questions from the past year paper likely to appear in the upcoming Class 12 Physics exam?
Ans. While it is not guaranteed that the exact questions from the past year paper will appear in the upcoming Class 12 Physics exam, practicing these papers can give you an idea about the type of questions that may be asked. It helps in building your conceptual understanding and prepares you to tackle similar questions effectively.
5. Can practicing past year papers alone guarantee success in the Class 12 Physics exam?
Ans. Practicing past year papers is undoubtedly a crucial part of exam preparation, but it alone cannot guarantee success. It should be complemented with regular study, understanding of concepts, revision, and solving additional practice questions. By combining all these efforts, you can enhance your chances of achieving success in the Class 12 Physics exam.
26 videos|287 docs|64 tests
Download as PDF
Explore Courses for NEET exam

Top Courses for NEET

Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev
Related Searches

MCQs

,

Past Year Paper

,

Objective type Questions

,

Important questions

,

Previous Year Questions with Solutions

,

Class 12

,

Past Year Paper

,

past year papers

,

Physics | Additional Study Material for NEET

,

Physics (Set - 3)

,

Physics | Additional Study Material for NEET

,

Class 12

,

video lectures

,

Physics (Set - 3)

,

Summary

,

Past Year Paper

,

2016

,

Delhi

,

2016

,

shortcuts and tricks

,

Physics (Set - 3)

,

Semester Notes

,

Delhi

,

Exam

,

study material

,

ppt

,

Delhi

,

Class 12

,

practice quizzes

,

Free

,

Sample Paper

,

pdf

,

Physics | Additional Study Material for NEET

,

2016

,

mock tests for examination

,

Extra Questions

,

Viva Questions

;