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MATHEMATICS
Q.1 If A = {x : x2 = 1} and B = (x : x4 = 1}, then A  B is equal to:
(a) {i, - i}
(b) {- 1, 1}
(c) {- 1, 1, i, - i}
(d) none of these
Q.2 If A {1, 2, 3} and B = {3, 4}, then (A  B)  (A  B) is:
(a) {3, 3}
(b) {(1, 3), (2, 3), (3, 3), (1, 4), (2, 4), (3, 4)}
(c) {1, 3), (2, 3), (3, 3)}
(d) {(1, 3), (2, 3), (3, 3), (4, 5)}
Q.3 If f : R  R is defined by f(x) = sin x and g : (1, )  R is defined by g(x) =
(a)
sin  x2 - 1) 
x2 - 1
(b) sin
x 2 - 1, then gof (x) is:
(c) cos x
(d) not defined
Q.4 The relation R defined on set A = {x : | x | < 3, x  z} by R = {(x, y) : y = | x |} is:
(a) {(- 2, 2), (- 1, 1), (- 1, - 1), (0, 0), (1, 1), (2, 2)}
(b) {(- 2, - 2,) (- 2, 2), (- 1, 1), (0, 0), (1, - 2), (1, 2), (2, - 1), (2, - 2)}
(c) {(0, 0), (1, 1), (2, 2)}
(d) none of these
Q.5 Let the function f, g h are defined from the set of real numbers R to R such that
f (x) x2 – 1,
g(x) =
x
2
- 1 and
0, if x -1,
h(x) = 
, then ho(fog) (x) is defined by:
x, if x £ 0
(a) x
(b) x2
(c) 0
(d) none of these
(c) A  B = 
(d) none of these
Q.6 If sets A and B are defined as
1
A =  x, y  | y = , 0  x  R}
x
B =  x, y  | y = - x, x  R}
then:
(a) A  B = A
(b) A  B = B
Q.7 If A = {x : f(x) = 0} and B = {x : g(x) = 0}, then A  B will be:
f(x)
g(x)
(a) [f(x)]2 + [g(x)]2 = 0
(b)
(c)
g(x)
f(x)
 i
13
Q.8 The value of sum
n
(d) none of these
+ i n+1  , where i = -1, equals:
n=1
(a) I
(b) i – 1
(c) – i
Q.9 Inequality a + ib > c + id can be explained only when:
(a) b = 0, c = 0
(b) b = 0, d = 0
(c) a = 0, c = 0
(d) 0
(d) a = 0, d = 0
Q.10 Let z be a purely imaginary number such that Im (z) < 0. Then arg (z) is equal to:
(a) 
(b) /2
(c) 0
(d) -
Q.11 If  is an imaginary cube root of unity, then for   N, the value of 3n+3 + 3n + 5 is:
(a) – 1
(b) 0
(c) 1
(d) 3
π
2
Q.12 The maximum value of | z | where z satisfied the conduction z +
(a) 3 - 1
(b) 3 + 1
2
= 2, is:
π
(c) 3
(d) 2 +
3
Q.13 If  is a complex cube root of unity, then for positive integral value of n, the product of , 2,
3,……., n will be:
1-i 3
1-i 3
(a)
(b) 2
2
(c) 1
(d) (b) and (c) both
p
 10 2qπ
2qπ 
Q.14  (3p + 2)  
- i cos
 is equal to:
11 
n=1
q = 1 11
(a) 8(1 – i)
(b) 16 (1 – i)
32
Q.15 If 7 cos x – 24 sin x =  cos (x + ), 0 <  < x <
(a)  = 25
(b)  sin-1
(c) 48 (1 – i)
(d) none of these
π
, be true for all x  R, then:
2
21
25
(c)  = 25
(d)  = cos-1
17
25
Q.16 The value of tan 200 tan 400 and 600 tan 800 is equal to:
(a) 1
(b) 2
(c) 3
(d)
3π
< α < π, then cosec 2 α + 2 cot α is equal to:
4
(a) 1 + cot 
(b) 1 – cot 
(c) – 1 – cot  -
3
2
Q.17 If
Q.18 If cos ( + ) =
(a) 16/63
Q.19 If tan α =
4
13
π
, sin ( - ) =
and ,  lies between 0 and , then tan 2 is equal to:
5
5
4
(b) 56/33
(c) 28/33
(d) none of these
1
x  x + x + 1
, tan β =
2
(a) 
(d) – 1 + cot 
(b) 2
Q.20 If sin  + cos  = x, then
1
sin6  + cos6  = [4 – 3(x2 – 1)] for:
4
(a) all real x
(b) x2  2
x
2
and tan γ =
x-3 + x -2 + x -1 , then  +  is:
x +x+1
(c) - 
(d) none of these
(c) x2  2
(d) none of these
x + y
Q.21 If cos x + cosy + cos  = 0 and sin x + sin y + sin  = 0, then cot 
 is equal to:
 2 
(a) sin 
(b) cos 
(c) cot 
x + y
(d) sin 

 2 
Q.22 The number of all possible triplets (a1, a2, a3) such that a1 + a2 cos 2x + a3 sin2 x = 0 for all x is:
(a) 0
(b) 1
(c) 3
(d) none of these
Q.23 Consider the following statement:
π
1. cot  - tan  = 2, then  = (4n + 1)
8
2. sin 2x + cos 2x + sin x + cos x + 1 = 0 has no solution in the Ist quadrant.
Which of these is/are correct?
(a) Only (1)
(b) Only (2) both
(c) Both of these
(d) None of these
1
1
(sin x  cos x) is:
cos x sin x
(c) infinite
(d) none of these
Q.24 The number of solutions of the equation sin5x – cos5x =
(a) 0
(b) 1
Q.25 The solution of the inequality log1/2 sin x > log1/2 cos x in (0, 2) is:
 5π

 π
 π   5π

(a) x   , 2π 
(b) x   0, 
(c) x   0,    , 2π  (d) none of these
 6  4

 4

 4
Q.26 If tan  + tan 2 + 3 tan  = 3 , then:
 6n + 1 π  n  I (b) θ =  6n + 1 π  n  I (c) θ =  3n + 1 π  n  I (d) none of these
(a) θ =
18
9
9
Q.27 If (2 cos x – 1) (3- 2 cos x) = 0, 0  x 2, then x is equal to:
π
π 5π
π 5π
(a)
(b) ,
(c) ,
, cos -1
3 3
3
2 3
 3
- 
 2
(d)
5π
3
Q.28 Set of value of x lying in [0, 2] satisfying the inequality | sin x | > 2 sin2 x contains:
π
 π   7π 
 7π 
(a)  0,    π,
(b)  0,
(c)
(d) none of these


6
6 
6 
 6 

Q.29 When the elevation of Sun changes from 450 to 300 the shadow of a tower increases by 60m. The
height of the tower is:
(a) 30 3 m
(b) 30 2 + 1 m
(c) 30


3 -1 m

(d) 30 

3 + 1 m
Q.30 A house of height 100m subtends a right angle at the window of an opposite house. If the height
of the window be 64m, then the distance between the two houses is:
(a) 48m
(b) 36m
(c) 54m
(d) 72m
Q.31 A pole stands at the centre of a rectangular field and it subtends angles of 150 and 450 at the mid
points of the side of the field. If the length of its diagonal is 1200m, then the height of flag-staff is:
(a) 400m
(b) 200m
(c) 300 2 + 3m
(d) 300 2 - 3m
Q.32 A vertical pole PS has two marks Q and R such that the portions PQ, PR and PS subtend angles
, ,  at a point on the ground distance x from the pole. If PQ = a, PR = b, PS = c and  +  +  =
1800, then x2 is equal to:
a
b
c
abc
(a)
(b)
(c)
(d)
a+b+c
a+b+c
a+b+c
a+b+c
Q.33 The angle of elevation of the top of a tower from a point A due south of the tower is  and from
a point B due east of the tower is . If AB = d, then the height of the tower is:
(a)
(c)
d
tan 2 α - tan 2 β
d
cot 2 α + cot 2 β
(b)
(d)
d
tan 2 α + tan 2 β
d
cot 2 α - cot 2 β
Q.34 A spherical balloon of radius r subtends an angle  at the eye of an observer. If the angle of
elevation of centre of the balloon be , the height of the centre of the balloon is:
α
β
(a) r cosec   sin β
(b) r cosec  sin  
2
2
α
β
(c) r sin   cosec 
(d) r sin  cosec  
2
2
Q.35 If A and B are two points on one bank of a straight river and c, D are two other points on the
other bank of river. If direction from A to B is same as that from C to D and AB = a, CAD = ,
DAB = , CBA = , then CD is equal to:
a sin β sin γ
a sin α sin γ
a sin α sin β
(a)
(b)
(c)
(d) none of these
sin α sin  α + β + γ 
sin β sin  α + β + γ 
sin γ sin  α + β + γ 
PHYSICS
Q.36 The Physical quantities not having same dimensions are
(a) momentum and Planck’s constant
(b) speed and (0 0)-1/2
(c) speed and P / ρ
(d) surface tension and spring constant
Q.37 Out of the following pairs, which one does NOT have identical dimensions?
(a) work and torque
(b) moment of inertia and moment of a force
(c) impulse and momentum
(d) angular momentum and Planck’s constant
Q.38 Which of the following units denotes the dimensions ML2/Q2 where Q denotes the electric
charge?
(a) Henry (H)
(b) H/m2
(c) Weber (Wb)
(d) Wb/m2
Q.39 The velocity  of a particle at time t is given by υ = at +
dimensions of a, b, c are respectively
(a) L, LT and T2
(c) L2, T and LT2
b
, where a, b, c are constants. The
t+c
(b) LT-2, L and T
(d) LT2, LT and L
Q.40 The ratio of the dimensions of Planck’s constant and that of moment of inertia is the dimensions
of:
(a) velocity
(b) angular momentum
(c) time
(d) frequency
Q.41 The dimensions of universal gravitational constant are
(a) M-2 L3 T-2
(b) M-2 L2 T-1
(c) M-1 L3 T-2
(d) ML2 T-1
Q.42 If the energy, E = Gp hq cr,, where G is the universal gravitational constant, h is the Planck’s
constant and c is the velocity of light, then the values of p, q and r are, respectively
(a) – 1/2 , 1/2 and 5/2
(b) 1/2, - 1/2 and – 5/2
(c) – 1/2, 1/2 and 3/2
(d) 1/2, - 1/2 and – 3/2
Q.43 Match List I with List II and select the correct answer:
List I
List II
1
2
A. Spring constant
1. M L T-2
B. pascal
2. M0L0T-1
C. hertz
3. M1L0T-2
D. Joule
4. M1L-1T-2
A
B
C
D
(a)
3
4
2
1
(b)
4
3
1
2
(c)
4
3
2
1
(d)
3
4
1
2
Q.44 The dimensional formula of magnetic flux is
(a) [M1L2T-2A-1]
(b) [M1L0T-2A-2]
(c) [M0L-2T-2A-2]
(d) [M1L2T-1A3]
Q.45 If units of length, mass and force are chosen as fundamental units, the dimensions of time would
be:
(a) M1/2L-1/2F1/2
(b) M1/2L1/2F1/2
(c) M1/2L1/2F-1/2
(d) M1L-1/F-1/2
Q.46 Which of the following quantities can be written in SI units in kg m2 A-2 s-3?
(a) Resistance
(d) Inductance
(c) Capacitance
(d) Magnetic flux
Q.47 The dimensions of capacitance are (where Q is the dimensions of charge)
(a) M-1 L-2T2Q2
(b) MLT-2Q-2
(c) M-1L-1T2
(d) M-1L-2T2Q
ΔV
where 0 is the permittivity of free space, L is a length, V is
Δt
a potential difference and t is a time interval. The dimensional formula for X is the same as that of
(a) resistance
(b) charge
(c) voltage
(d) current
Q.48 A quantities X is given by 0 L
Q.49 Which of the following set have different dimensions?
(a) Pressure, Young’s modulus, Stress
(b) Emf, Potential different, Electric potential
(c) Heat, Work done, Energy
(d) Dipole moment, flux, Electric field
Q.50 Which one of the following has the dimensions of pressure?
ML
M
M
(a) 2
(b) 2 2
(c)
LT 2
T
L T
(d)
M
LT
Q.51 The displacement of a particle is represented by the following equation s = 3 t3 + 7 t2 + 5 t + 8
where s is in metres and t ins seconds. The acceleration of the particle at t = 1 s is
(a) 18 m/s2
(b) 32 m/s2
(c) zero
(d) 14 m/s2
Q.52 A person slides freely down vertically from the same height. The final speeds of the man (m)
and the bag (b) should be such that
(a) m = b
(b) they depend on the masses
(c) m > b
(d) m < b
Q.53 A particle is thrown vertically upwards. Its velocity at half of the height is 10ms-1, then the
maximum height attained by it is (g = 10ms-2).
(a) 8 m
(b) 20 m
(c) 10 m
(d) 16 m
Q.54 A constant force is acting perpendicular to the velocity of a particle. For this situation which one
is correct?
(a) Velocity is constant
(b) Acceleration is constant
(c) Momentum will be constant
(d) Particle will follow elliptical path
Q.55 An object of mass 3kg is at rest. Now a force of F = 6 t 2 ˆi + 4 t ˆj is applied on the object, then
velocity of object at t = 3s is
(a) 18 ˆi + 3jˆ
(b) 18 ˆi + 6jˆ
(c) 3 ˆi + 18 ˆj
(d) 18 ˆi + 4jˆ
Q.56 A man throws balls with the same speed vertically upwards the after the other with an interval
of 2 seconds. What should be the speed of the throw so that more than two balls are in the sky at any
time? G = 9.8 m/s2.
(a) More than 19.6 m/s
(b) Atleast 9.8m/s
(c) Any speed less than 19.6 m/s
(d) Only with speed 19.6 m/s
Q.57 A particle moves along a circle of radius (20/) m with constant tangential acceleration. If the
velocity of the particle is 80m/s at the end of the second revolution after motion has begun, the
tangential acceleration is
(a) 40 ms/2
(b) 640  m/s2
(c) 160  m/s2
(d) 40  m/s
Q.58 A boy playing on the roof of 10m high building throws a ball with a speed of 10 m/s at an angle
of 300 with the horizontal. How far from the throwing point will the ball at the height of 10m from
the ground? (g = 10 m/s2)
(a) 5.20 m
(b) 4.33
(c) 2.60
(d) 8.66
Q.59 Three force starts acting simultaneously on a particle moving with velocity . These force are
represented in magnitude and direction by the three sides of a triangle ABC Fig. The particle will
move with velocity.
C
A
(a) less than 
(c) || in the direction of the largest force BC
B
(b) greater than 
(d) , remains unchanged.
Q.60 Which of the following statements is false for a particle moving in a circle with a constant
angular speed?
(a) The velocity vector is tangent to the circle.
(b) The acceleration vector is tangent to the circle.
(c) The acceleration vector points to the centre of the circle
(d) The velocity and acceleration vectors are perpendicular to each other.
Q.61 An automobile traveling with a speed of 60 km/h car is going twice as fast, i.e., 120 km/h, the
stopping distance will be
(a) 20m
(b) 40m
(c) 60m
(d) 80m
Q.62 a projectile can the same range R for two angles of projection. If t1 and t2 be the times of fights
in the two cases, then product of the two time of flights is proportional to
(a) R
(b) 1/R
(c) 1/R2
(d) R2
Q.63 A parachutist after balling out falls 50m without friction. When parachute opens, it decelerates
at 2 ms-2. He reaches the ground with a speed of 3ms-1. At what height did he bail out?
(a) 111m
(b) 293m
(c) 182m
(d) 91m
Q.64 A particle located at x = 0 at time t = 0, starts moving along the positive x-direction with a
velocity  that varies as    . The displacement of the particle varies with time as
(a) t3
(b) t2
(c) t
(d) t1/2
Q.65 A particle is projected at 600 to the horizontal with a kinetic energy K. The kinetic energy at the
highest point is
(a) K/2
(b) K
(c) Zero
(d) K/4
Q.66 The velocity of a particle is  = 0 + gt _ ft2. if its position is x = 0 at t = 0, then its displacement
after unit time (t = 1) is
g
g f
(a) υ0 + + f
(b) 0 + 2g = 3f
(c) υ0 + +
(d) 0 + g + f
2
2 3
Q.67 A ball is thrown vertically upwards. It has a speed of 10 ms-1 when it has reached one half of its
maximum height. How high does the ball rise? Take g = 10 ms-2.
(a) 10m
(b) 5m
(c) 15m
(d) 20m
Q.68 The displacement x of a particle varies will time t as x = a e-t + bet, where a, b,  and  are
positive constant. The velocity of the particle will
(a) be independent of 
(b) drop to zero when  = 
(c) go on decreasing with time
(d) go on increasing with time
Q.69 A particle moves along a straight line OX. At a time t(in seconds) the distance x (in metres) of
the particle from O is given by, x = 40 + 12t – t3. How long the particle travel before coming to rest?
(a) 16m
(b) 24m
(c) 40m
(d) 56m
Q.70 A car runs at a constant speed on a circular track of radius 100 m, taking 62.8 seconds for every
circular lap. The average velocity and average speed for each circular lap respectively is
(a) 10 ms-1, 0
(b) 0, 0
-1
(c) 0,10 ms
(d) 10ms-1, 10 ms-1
CHEMISTRY
Q.71 In van der Waal equation of state about gas laws, the constant b is a measure of
(a) intermolecular collisions per unit volume
(b) intermolecular attraction
(c) volume occupied by the molecules
(d) intermolecular repulsion
Q.72 As the temperature is raised from 200C to 400C, the average kinetic energy of neon atoms
changes by a factor of which of the following
313
313
1
(a) 2
(b)
(c)
(d)
2
293
293
Q.73 What volume of H2 gas at 273 K and 1 atm pressure will be consumed in obtaining 21.6g of
boron (At. mass 10.8 U) from reduction of boron trichloride by H2
(a) 89.6 L
(b) 76.2L
(c) 44.8L
(d) 22.4L
Q.74 According to kinetic theory of gases, in an ideal gas, between two successive collisions a gas
molecule travels
(a) in a circular path
(b) in a way path
(c) in a straight line path
(d) with an accelerated velocity
Q.75 In Haber’s process, 30L of dihydrogen and 30L of dinitrogen were taken for reaction which
yielded only 50% of expected product. What is the composition of the gaseous mixture under aforesaid conditions in the end.
(a) 20 L NH3, 25 L N2, 15 L H2
(b) 20 L NH3, 20 L N2, 20 L H2
(c) 10 L NH3, 25 L N2, 15 L H2
(d) 20 L NH3, 10 L N2, 30 L H2
Q.76 van der Waal equation reduces itself to ideal gas equation at
(a) high pressure, low temperature
(b) low pressure, low temperature
(c) low pressure, high temperature
(d) high pressure, high temperature
Q.77 Kinetic energy of 1g of O2 at 470C is
(a) 1.24  102 J
(b) 2.24  102 J
(c) 1.24  103 J
Q.78 The maximum number of molecules is present in
(a) 15 L of H2 gas at STP (b) 5 L of N2 gas at STP
(c) 0.5 g of H2 gas
(d) 3.24  102 J
(d) 10 g of O2 gas
Q.79 For an ideal gas number of moles per litre in terms of its partial pressure (P), gas constant ®
and temperature (T) is
(a) RT/P
(b) PT/R
(c) P/RT
(d) PR/T
Q.80 Pressure of a mixture of 4g of O2 and 2g of H2 confined in a bulb of 1.0 L capacity at 00C is
(a) 25.18 atm
(b) 31.205 atm
(c) 40.215 atm
(d) 15.210 atm
Q.81 The volume of 2.8 g of carbon monoxide at 270C and 0.821 atm is (R = 0.0821 L atm K-1 mol-1)
(a) 0.3 L
(b) 1.5 L
(c) 3 L
(d) 30 L
Q.82 A 00C and 1 atm pressure, a gas occupies 100 cm3. If the pressure is increased to one and a half
times and temperature is increased by one third of absolute temperature, then final volume of gas will
be:
(a) 89 cm3
(b) 88.9 cm3
(c) 66.7 cm3
(d) 100cm3
Q.83 1.12  10-7 cm3 of O2 at S.T.P. contains molecules equal to
(a) 3.10  1012
(b) 3.01  1020
(c) 3.01  1024
(d) 3.01  1023
Q.84 6.02  1022 molecules each of N2, H2 and O2 are mixed together at 760 mm and 273 K. The mass
of the mixture of gram is
(a) 6.20
(b) 4.12
(c) 3.09
(c) 7.0
Q.85 A sample of gas occupies 100 mL at 270C and 740 mm pressure. When its volume is changed to
80 mL at 740 mm, the temperature of the gas would be
(a) 21.60C
(c) 2400C
(c) – 330C
(d) 89.50C
Q.86 Which of the following gaseous mixture does not following Dalton’s law?
(a) O2 and CO2
(b) Cl2 and O2
(c) NH3 and HCl
(d) N2 and O2
Q.87 In which of the following pairs, the critical temperature of later gaseous species is higher than
the first.
(a) CO2, H2
(b) H2, NH3
(c) NH3, He
(d) CO2, He.
Q.88 If two moles of ideal gas at 540 K has volume 44.8 L, then its pressure will be
(a) 1 atm
(b) 2 atm
(c) 3 atm
(d) 4 atm
Q.89 4.4 g of a gas a S.T.P. occupies a volume of 2.24 L, the gas can be
(a) O2
(b) CO
(c) NO2
(d) CO2
Q.90 Rate of diffusion of methane at a given temperature is twice that of unknown gas X. The
molecular mass of X is
(a) 64.0 U
(b) 32.0 U
(c) 40.0 U
(d) 80.0 U
Q.91 In a flask of volume V litres, 0.2 mol of oxygen, 0.4 mol of nitrogen, 0.1 mole of NH3 and 0.3 mol
of Helium are enclosed at 270C. If the total pressure exerted by these non reacting gases is one
atmosphere, the partial pressure exerted by nitrogen is
(a) 1 atm
(b) 0.1 atm
(c) 0.2 atm
(d) 0.3 atm
Q.92 In a mole of water vapour at STP, the volume actually occupied or taken up by the molecules
(i.e., Avogadro number  the volume of one molecule) is
(a) zero
(b) less than 10% of 22.4 litres
(c) about 10% to 2% of 22.4 litres
(d) between 2% to 5% of 2.4 litres
Q.93 At 250C and 730 mm pressure, 380 mL of dry oxygen was collected. If the temperature is
constant what volume will oxygen occupy at 760 mm pressure?
(a) 365 mL
(b) 449 mL
(c) 569 mL
(d) 621 mL
Q.94 The average kinetic energy per molecule of ideal gas at 250C in S.I. units is
(a) 6.17  10-21 kJ
(b) 6.17  10-21 J
(c) 6.17  10-20 J
(c) 7.16  10-20 J
Q.95 The densities of two gases are in the ratio of 1 : 16. The ratio of their rates of diffusion is
(a) 16 : 1
(b) 4 : 1
(c) 1 : 4
(d) 1 : 16
Q.96 Molecular mass of the gas that diffuses twice as rapidly as a gas with molecular mass 64 u is
(a) 16 u
(b) 8 u
(c) 64 u
(d) 6.4 u
Q.97 SI units of universal gas constant are
(a) 0.082 L atm per degree per mol
(c) 8.31 Joule per degree per mol
(b) 2 cal per degree per mol
(d) 0.083 L bar per degree per mol
Q.98 A sample of oxygen is collected over water at 230C at a barometric pressure of 751 mm Hg
(vapour pressure of water at 230C is 21 mm Hg). The partial pressure of oxygen in the sample
collected is
(a) 21 mm Hg
(b) 751 mm Hg
(c) 0.96 atm
(d) 1.02 atm
Q.99 One litre of gas weighs 2 g at 300 K and 1 atm. pressure is made 0.75 atm., and temperature is
brought down to 250 K, the gas will occupy a volume of
(a) 2L
(b) 1.11L
(c) 2.22 L
(d) 0.7 L
Q.100 If pressure becomes double at the same absolute temperature on 2 L CO2, then the volume of
CO2 becomes
(a) 2 L
(b) 4L
(c) 5L
(d) 1L
Q.101 300 mL of a gas is cooled from 270C to – 30C at constant pressure. The final volume of the gas is
(a) 540 mL
(b) 135 mL
(c) 270 mL
(d) 350 mL
Q.102 The ratio of rates of diffusion of SO2, O2 and CH4 is
(a) 1 : 2 : 1
(b) 1 : 2 : 4
(c) 2 : 2 : 1
(d) 1 : 2 :
2
Q.103 What will be partial pressure of H2 in a flask containing 2 g of H2, 14 g of N2 and 16 g of O2?
1
1
(a) of total pressure
(b) of total pressure
2
3
1
1
(c) of total pressure
(d)
of total pressure
4
16
Q.104 Under which of the following conditions, the real gases will approach the behaviour of ideal
gas?
(a) 15 atm, 200 K
(b) 0.5 atm, 500 K
(c) 1 atm, 273 K
(d) 15 atm, 500 K
Q.105 The density of a gas at 270C and one atmosphere is d. Pressure remaining constant, at which of
the following temperature will density be 0.75 d?
(a) 200C
(b) 1300C
(c) 400 K
(d) 300 K
MATHEMATICS – ANSWERS
1. (a) 2. (d) 3. (d) 4. (a) 5. (b) 6. (c) 7. (a) 8. (b) 9. (b) 10. (d) 11. (b) 12. (b) 13. (d) 14. (c)
15. (a) 16. (c) 17. (c) 18. (b) 19. (a) 20. (b) 21. (c) 22. (d) 23. (c) 24. (a) 25. (b) 26. (c) 27. (b) 28. (a)
29. (d) 30. (a) 31. (d) 32. (d) 33. (c) 34. (a) 35. (b)
PHYSICS – ANSWERS
36. (a) 37. (b) 38. (a) 39. (b) 40. (d) 41. (c) 42. (a) 43. (a) 44. (a) 45. (c) 46. (a) 47. (a) 48. (d) 49. (d)
50. (c) 51. (b) 52. (a) 53. (c) 54. (b) 55. (b) 56. (a) 57. (a) 58. (d) 59. (d) 60. (b) 61. (d) 62. (a) 63. (b)
64. (b) 65. (d) 66. (c) 67. (a) 68. (d) 69. (a) 70. (c)
CHEMISTRY – ANSWERS
71. (c) 72. (c) 73. (b) 74. (c) 75. (c) 76. (c) 77. (a) 78. (a) 79. (c) 80. (a) 81. (c) 82. (b) 83. (a) 84. (c)
85. (a) 86. (c) 87. (b) 88. (b) 89. (d) 90. (a) 91. (c) 92. (b) 93. (a) 94. (b) 95. (b) 96. (a) 97. (c) 98. (c)
99. (b) 100. (d) 101. (c) 102. (a) 103. (a) 104. (b) 105 (a)