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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  • Time Allowed15

NAT II Physical Science Physics

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Question # 1

Which one of the following is a simple harmonic motion?

Question # 2

The motion without consideration of its cause is studied in

Question # 3

In case of p-n junction diode, at high value of reverse bias, the current rises sharply. The value of reverse bias is known as:

Question # 4

If a diamagnetic substance is brought near north or south pole of a bar magnet it is

Question # 5

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

Question # 6

A particle moving in a magnetic field has increase in its velocity, then its radius of the circle

Question # 7

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 8

Who explained the origin of the Fraunhoffer lines?

Question # 9

Copper and germanium are cooled to 70K from room temperature, then

Question # 10

The contrast in the fringes in any interference pattern depends on

Question # 11

One cannot see fog because

Question # 12

A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?

Question # 13

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 14

The number of translation degrees of freedom for a diatomic gas is

Question # 15

To make the frequency double of an oscillator, we have to

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The twinkling of stars is due to
A. The fact that stars do not emit light continuously
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
2 If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective
A. 100 cm
B. 10 cm
C. 20 cm
D. 25 cm
3 The mass defect for the nucleus of helium is 0.0303 a.m.u. What is the binding energy per nucleon for helium in MeV?
A. 28
B. 7
C. 4
D. 1
4 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
5 An object is placed at a distance of f/2 from a convex lens. The image will be
A. At one of the foci, virtual and double its size
B. At, 3f/2, real and inverted
C. At 2f, virtual and erect
D. At f, real and inverted
6 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
7 If a diamagnetic substance is brought near north or south pole of a bar magnet it is
A. Attracted by the poles
B. Repelled by the poles
C. Repelled by north pole and attracted by the south pole
D. Attracted by the north pole and repelled by the south pole
8 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
9 The velocity of a particle at an instant is 10 m/s and after 5s the velocity of the particle is 20 m/s. The velocity 3s before in m/s is:
A. 8
B. 4
C. 6
D. 7
10 A point charge Q is placed at the mid-point of a line joining two charges, 4q and q. If the net force on charge q is zero, then Q must be equal to
A. -q
B. +q
C. -2q
D. +4q

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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