JEE Exam  >  JEE Questions  >  SECTION 3Q. No. 17-20 carry 4 marks each and ... Start Learning for Free
SECTION 3
Q. No.  17-20 carry  4 marks each and 2 marks is deducted for every wrong answer.
This section contains TWO paragraphs
Based on each paragraph, there will be TWO questions
Each question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these four
option(s) is(are) correct
PARAGRAPH 1
Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.
Q.
For two structures namely S1 with  n1 =   and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 and
taking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)
  • a)
    NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index 
  • b)
    NA of S1 immersed in liquid of refractive index   is the same as that of S2 immersed in water
  • c)
    NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index 
  • d)
    NA of S1 placed in air is the same as that of S2 placed in water
Correct answer is option 'A,C'. Can you explain this answer?
Verified Answer
SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for e...
View all questions of this test
Explore Courses for JEE exam
SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer?
Question Description
SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? for JEE 2024 is part of JEE preparation. The Question and answers have been prepared according to the JEE exam syllabus. Information about SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? covers all topics & solutions for JEE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer?.
Solutions for SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? in English & in Hindi are available as part of our courses for JEE. Download more important topics, notes, lectures and mock test series for JEE Exam by signing up for free.
Here you can find the meaning of SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer?, a detailed solution for SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? has been provided alongside types of SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice SECTION 3Q. No. 17-20 carry 4 marks each and 2 marks is deducted for every wrong answer.This section contains TWO paragraphsBased on each paragraph, there will be TWO questionsEach question has FOUR options (A), (B), (C) and (D). ONE OR MORE THAN ONE of these fouroption(s) is(are) correctPARAGRAPH 1Light guidance in an optical fiber can be understood by considering a structure comprising of thin solid glass cylinder of refractive index n1 surrounded by a medium of lower refractive index n2. The light guidance in the structure takes place due to successive total internal reflections at the interface of the media n1 and n2 as shown in the figure. All rays with the angle of incidence i less than a particular value im are confined in the medium of refractive index n1. The numerical aperture (NA) of the structure is defined as sin im.Q.For two structures namely S1 with n1= and n2= 3 / 2, and S2 with n1 = 8/5 and n2 = 7/5 andtaking the refractive index of water to be 4/3 and that of air to be 1, the correct option(s) is(are)a)NA of S1 immersed in water is the same as that of S2 immersed in a liquid of refractive index b)NA of S1 immersed in liquid of refractive index is the same as that of S2 immersed in waterc)NA of S1 placed in air is the same as that of S2 immersed in liquid of refractive index d)NA of S1 placed in air is the same as that of S2placed in waterCorrect answer is option 'A,C'. Can you explain this answer? tests, examples and also practice JEE tests.
Explore Courses for JEE exam

Top Courses for JEE

Explore Courses
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