NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

Try The MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 2

To increase the magnification of a telescope

Question # 3

Which of the following four statement is false?

Question # 4

One cannot see fog because

Question # 5

Boyle's law is applicable in

Question # 6

Which of the following sources give discrete emission spectrum?

Question # 7

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes

Question # 8

What is the average energy of N molecules of monoatomic gas?

Question # 9

The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to

Question # 10

Surface tension of water is due to

Question # 11

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 12

In which case application of angular velocity is useful?

Question # 13

Band spectrum is produced by

Question # 14

Centre of mass is a point

Question # 15

In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following lists of physical quantities consists only of vectors:
A. Time, temperature, velocity
B. Force, volume, momentum
C. Velocity, acceleration, mass
D. Force, acceleration, velocity
2 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1
3 The mass of a proton is 1847 times that of an electron. An electron and a proton are projected into a uniform electric field in a direction at right angles to the direction of the field with the same initial kinetic energy.The
A. Both the trajectories will be equally curved
B. The proton trajectory will be less curved than the electron trajectory
C. The electron trajectory will be less curved than the proton trajectory
D. The relative curving of the trajectories will be dependent on the value of the initial kinetic energy
4 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
5 A cable breaks if stretched by more than 2 mm. It is cut into two equal parts. How much either part can be stretched without breaking?
A. 0.25 m
B. 0.5 m
C. 1 mm
D. 2 mm
6 A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to
A. 12 s
B. 8 s
C. 15 s
D. 10 s
7 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
8 In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
A. 3.9
B. 4
C. 4.2
D. 6
9 Ball pen function on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tension
10 When we apply reverse bias to a junction diode, it
A. Lowers the potential barrier
B. Raise the potential barrier
C. Increase the majority carrier current
D. Increase the minority carrier current

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