Chhattisgarh: State Level Answer Key (SAT) - 2015-16 | NTSE for Class 10 PDF Download

 Page 1


1.
V
2
= U
2
+2as
o =U
2
-2gh
2gh =U
2
U
2
h=-
2g
PHYSICS
(Answer B)
2. 1Fermi = 10-15m islower unit
3.Equivalent resistance circuit diagram
I =_v_= 12=2A
Reg 6
4.Apparent Weight ofthe body inside the liquid weight inair -upthrust
(ANS.D)
(Answer A)
(Answer C)
mg-Vipig
(Vd)g-V Pig
vdg-vPlg
v(d - p)g
(Vi = V ',' body Isinmersed completely)
5.Relation Between a,[J and
2 2
fJ = - r = - x7.2 x10-
5
3 3
r is
     Chhattisgarh NTSE Stage 1 (2015-16)
                       SAT Solutions
Page 2


1.
V
2
= U
2
+2as
o =U
2
-2gh
2gh =U
2
U
2
h=-
2g
PHYSICS
(Answer B)
2. 1Fermi = 10-15m islower unit
3.Equivalent resistance circuit diagram
I =_v_= 12=2A
Reg 6
4.Apparent Weight ofthe body inside the liquid weight inair -upthrust
(ANS.D)
(Answer A)
(Answer C)
mg-Vipig
(Vd)g-V Pig
vdg-vPlg
v(d - p)g
(Vi = V ',' body Isinmersed completely)
5.Relation Between a,[J and
2 2
fJ = - r = - x7.2 x10-
5
3 3
r is
     Chhattisgarh NTSE Stage 1 (2015-16)
                       SAT Solutions
":
6.AConvex mirror always forms virtual, erect and small image.
7.in 12 hrs. Needle ofclock completes one rotation.
8.Lightening conductor ismode ofcopper.
9 P
_ w _ F.s _ mgh _ vpgh
. ----------
t t t t
= _5_0_
x
_1O_-_
3
_x _10_
3
_x_1_0_x_2_5 =2500watt
5
10. Every parts ofthe lens makes complete image ofthe lens.
11. Direction ofmagnetic field at the centre will be outward.
12. Soft Iron is most suitable to make electromagnet.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
CANS.A)
CANS.C)
CANS.D)
CANS.C)
13.F =9vBsin() isthe force on achanged particle is amagnetic field.
v=o
IF
F=O
CHEMISTRY
14.2,8,8,1 Itis according to aufbau principle.
15. Nacl can't turn litmus to any other because it isaneutral salt.
16. Oxygen and sulphur belong to same group.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
17. The O.Sofsulphur ofZnin left side iszero and right side is +2.hence it is oxidized. CANS.A)
18. the are particles are adhered to the Foam.
19. Cuisbelow to the hydrogen in reactivity series.
CANS.C)
CANS.A)
CANS.D)
Page 3


1.
V
2
= U
2
+2as
o =U
2
-2gh
2gh =U
2
U
2
h=-
2g
PHYSICS
(Answer B)
2. 1Fermi = 10-15m islower unit
3.Equivalent resistance circuit diagram
I =_v_= 12=2A
Reg 6
4.Apparent Weight ofthe body inside the liquid weight inair -upthrust
(ANS.D)
(Answer A)
(Answer C)
mg-Vipig
(Vd)g-V Pig
vdg-vPlg
v(d - p)g
(Vi = V ',' body Isinmersed completely)
5.Relation Between a,[J and
2 2
fJ = - r = - x7.2 x10-
5
3 3
r is
     Chhattisgarh NTSE Stage 1 (2015-16)
                       SAT Solutions
":
6.AConvex mirror always forms virtual, erect and small image.
7.in 12 hrs. Needle ofclock completes one rotation.
8.Lightening conductor ismode ofcopper.
9 P
_ w _ F.s _ mgh _ vpgh
. ----------
t t t t
= _5_0_
x
_1O_-_
3
_x _10_
3
_x_1_0_x_2_5 =2500watt
5
10. Every parts ofthe lens makes complete image ofthe lens.
11. Direction ofmagnetic field at the centre will be outward.
12. Soft Iron is most suitable to make electromagnet.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
CANS.A)
CANS.C)
CANS.D)
CANS.C)
13.F =9vBsin() isthe force on achanged particle is amagnetic field.
v=o
IF
F=O
CHEMISTRY
14.2,8,8,1 Itis according to aufbau principle.
15. Nacl can't turn litmus to any other because it isaneutral salt.
16. Oxygen and sulphur belong to same group.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
17. The O.Sofsulphur ofZnin left side iszero and right side is +2.hence it is oxidized. CANS.A)
18. the are particles are adhered to the Foam.
19. Cuisbelow to the hydrogen in reactivity series.
CANS.C)
CANS.A)
CANS.D)
21. Since the dissolution requires Heat absorption (endo thermic )increasing temperature
increases solubility. (ANS.B)
23. ,Fourth bond is not possible because of its unstabity.
-ve
24. For iso electronic species : size a- Charges.
+ve
25. Number of atoms = nxN x multiplicity
= 44 x6.023x10
23
x3
44
= 1.8X 10
24
26. Cycloalkanes have E.F CH
2
MATHEMATICS
81.(~)(~)
(ANS.C)
(ANS.C)
(ANS.B)
(ANS.C)
(ANS.B)
1 20
-=-
50. 100
1 25
-=-
4 100
(ANS.B)
A 2
82.-=-
B 3
B 4
-=-
C 5
C 6
-=-
D 7
83.
A ABC
-=-x-x-
D BCD
obs
246
-x-x-
357
Mean
A 16
-=-
D 35
Page 4


1.
V
2
= U
2
+2as
o =U
2
-2gh
2gh =U
2
U
2
h=-
2g
PHYSICS
(Answer B)
2. 1Fermi = 10-15m islower unit
3.Equivalent resistance circuit diagram
I =_v_= 12=2A
Reg 6
4.Apparent Weight ofthe body inside the liquid weight inair -upthrust
(ANS.D)
(Answer A)
(Answer C)
mg-Vipig
(Vd)g-V Pig
vdg-vPlg
v(d - p)g
(Vi = V ',' body Isinmersed completely)
5.Relation Between a,[J and
2 2
fJ = - r = - x7.2 x10-
5
3 3
r is
     Chhattisgarh NTSE Stage 1 (2015-16)
                       SAT Solutions
":
6.AConvex mirror always forms virtual, erect and small image.
7.in 12 hrs. Needle ofclock completes one rotation.
8.Lightening conductor ismode ofcopper.
9 P
_ w _ F.s _ mgh _ vpgh
. ----------
t t t t
= _5_0_
x
_1O_-_
3
_x _10_
3
_x_1_0_x_2_5 =2500watt
5
10. Every parts ofthe lens makes complete image ofthe lens.
11. Direction ofmagnetic field at the centre will be outward.
12. Soft Iron is most suitable to make electromagnet.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
CANS.A)
CANS.C)
CANS.D)
CANS.C)
13.F =9vBsin() isthe force on achanged particle is amagnetic field.
v=o
IF
F=O
CHEMISTRY
14.2,8,8,1 Itis according to aufbau principle.
15. Nacl can't turn litmus to any other because it isaneutral salt.
16. Oxygen and sulphur belong to same group.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
17. The O.Sofsulphur ofZnin left side iszero and right side is +2.hence it is oxidized. CANS.A)
18. the are particles are adhered to the Foam.
19. Cuisbelow to the hydrogen in reactivity series.
CANS.C)
CANS.A)
CANS.D)
21. Since the dissolution requires Heat absorption (endo thermic )increasing temperature
increases solubility. (ANS.B)
23. ,Fourth bond is not possible because of its unstabity.
-ve
24. For iso electronic species : size a- Charges.
+ve
25. Number of atoms = nxN x multiplicity
= 44 x6.023x10
23
x3
44
= 1.8X 10
24
26. Cycloalkanes have E.F CH
2
MATHEMATICS
81.(~)(~)
(ANS.C)
(ANS.C)
(ANS.B)
(ANS.C)
(ANS.B)
1 20
-=-
50. 100
1 25
-=-
4 100
(ANS.B)
A 2
82.-=-
B 3
B 4
-=-
C 5
C 6
-=-
D 7
83.
A ABC
-=-x-x-
D BCD
obs
246
-x-x-
357
Mean
A 16
-=-
D 35
ax},ax
2
, - - -axn ---+ ax
a=2 NewMean 2x6=12
84. Prime no. from 3 to 25
3,5,7,11,13,17,19,23
p=~
23
85.12,1~--------99
Tn = a+(n-1)d
99 = 12+ (n -1) 3
8Jj+l=n
n=30
86. Marks obtained
{25,26,27,28,29}
mean = {25+ 26+2
5
7 +28+29} = (27)
mediam = {27}
mode =
All has some prepvency so anyone possible.
1
=(1 + 1+ 1+ 1+ - -- - -+ 1)--(1 + 2+ 3+--- -n)
n
~n-~{n(n
2
+1
l
}
=(n~l)
(ANS.C)
(ANS. D)
Page 5


1.
V
2
= U
2
+2as
o =U
2
-2gh
2gh =U
2
U
2
h=-
2g
PHYSICS
(Answer B)
2. 1Fermi = 10-15m islower unit
3.Equivalent resistance circuit diagram
I =_v_= 12=2A
Reg 6
4.Apparent Weight ofthe body inside the liquid weight inair -upthrust
(ANS.D)
(Answer A)
(Answer C)
mg-Vipig
(Vd)g-V Pig
vdg-vPlg
v(d - p)g
(Vi = V ',' body Isinmersed completely)
5.Relation Between a,[J and
2 2
fJ = - r = - x7.2 x10-
5
3 3
r is
     Chhattisgarh NTSE Stage 1 (2015-16)
                       SAT Solutions
":
6.AConvex mirror always forms virtual, erect and small image.
7.in 12 hrs. Needle ofclock completes one rotation.
8.Lightening conductor ismode ofcopper.
9 P
_ w _ F.s _ mgh _ vpgh
. ----------
t t t t
= _5_0_
x
_1O_-_
3
_x _10_
3
_x_1_0_x_2_5 =2500watt
5
10. Every parts ofthe lens makes complete image ofthe lens.
11. Direction ofmagnetic field at the centre will be outward.
12. Soft Iron is most suitable to make electromagnet.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
CANS.A)
CANS.C)
CANS.D)
CANS.C)
13.F =9vBsin() isthe force on achanged particle is amagnetic field.
v=o
IF
F=O
CHEMISTRY
14.2,8,8,1 Itis according to aufbau principle.
15. Nacl can't turn litmus to any other because it isaneutral salt.
16. Oxygen and sulphur belong to same group.
CANS.D)
CANS.C)
CANS.D)
CANS.B)
17. The O.Sofsulphur ofZnin left side iszero and right side is +2.hence it is oxidized. CANS.A)
18. the are particles are adhered to the Foam.
19. Cuisbelow to the hydrogen in reactivity series.
CANS.C)
CANS.A)
CANS.D)
21. Since the dissolution requires Heat absorption (endo thermic )increasing temperature
increases solubility. (ANS.B)
23. ,Fourth bond is not possible because of its unstabity.
-ve
24. For iso electronic species : size a- Charges.
+ve
25. Number of atoms = nxN x multiplicity
= 44 x6.023x10
23
x3
44
= 1.8X 10
24
26. Cycloalkanes have E.F CH
2
MATHEMATICS
81.(~)(~)
(ANS.C)
(ANS.C)
(ANS.B)
(ANS.C)
(ANS.B)
1 20
-=-
50. 100
1 25
-=-
4 100
(ANS.B)
A 2
82.-=-
B 3
B 4
-=-
C 5
C 6
-=-
D 7
83.
A ABC
-=-x-x-
D BCD
obs
246
-x-x-
357
Mean
A 16
-=-
D 35
ax},ax
2
, - - -axn ---+ ax
a=2 NewMean 2x6=12
84. Prime no. from 3 to 25
3,5,7,11,13,17,19,23
p=~
23
85.12,1~--------99
Tn = a+(n-1)d
99 = 12+ (n -1) 3
8Jj+l=n
n=30
86. Marks obtained
{25,26,27,28,29}
mean = {25+ 26+2
5
7 +28+29} = (27)
mediam = {27}
mode =
All has some prepvency so anyone possible.
1
=(1 + 1+ 1+ 1+ - -- - -+ 1)--(1 + 2+ 3+--- -n)
n
~n-~{n(n
2
+1
l
}
=(n~l)
(ANS.C)
(ANS. D)
r ~
88.
x+ Y =7--------(1)
3x-2y =11------(2)
From (1)
y=(7-x)
3x-2(7 -x) = 11
3x-14+ 2x = 11
5x = 25
x=5
(ANS.A)
.\
89.X
a
= y,yb = z,zc = x
-(x
ab
r = x ~ x
abc
= X ~ abc = 1
90. (ANSWER -8)
~
,~
rID
"
t
~
\
\
"
'"
"
"
,
r
,
,
r
,
~-~
'IL - - -
--
-- ---
-- -"(",
r I "
r I "
/' ,I
../
\
"
"
"-
,
91. x
2
+3x+2, (i) x
2
+5x+6 (ii)
HCF =(x+a)
x=-a is a root of (i) and (ii) on solving .
x
2
+3x +2 = (x +1)(x +2)
~x=-1,-2
x
2
+5x+ 6= (x+ 2)(x+ 3)
~ x=-2,-3
x =-2 is a common root
(ANS.A)