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

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

Question # 2

Surface tension of water is due to

Question # 3

Which of the modulus of elasticity is involved in compression a rod to decrease its length?

Question # 4

Two sources of sound are said to be coherent if

Question # 5

There are discrete energy levels in atoms. It was first experimentally demonstrated by

Question # 6

The essential distinction between X-rays andγ-rays is that

Question # 7

The dimensional formula of torque is:

Question # 8

A person standing near the track of a fast moving train has tendency to fall towards it because of

Question # 9

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?

Question # 10

The peak voltage in 220 volt A.C. supply is nearly

Question # 11

The unit of inductance is equivalent to

Question # 12

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

Question # 13

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 # 14

The incorrect statement regarding the lines of force of the magnetic field B is

Question # 15

If the dot product of two non-zero vectors vanishes, the vectors will be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these
2 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
3 Which one of the following is a simple harmonic motion?
A. Wave moving through a string fixed at both ends
B. Earth spinning about its own axis
C. Ball bouncing between two rigid vertical walls
D. Particle moving in a circle with uniform speed
4 Which of the modulus of elasticity is involved in compression a rod to decrease its length?
A. Young's modulus
B. Bulk modulus
C. Modulus of rigidity
D. None of the above
5 The velocity of falling raindrops attains limited value because of
A. Up thrust of air
B. Viscous force exerted by air
C. Surface tension effect
D. Air currents atmosphere
6 When a hydrogen atom is bombarded, the atom is excited to the n = 4 state of hydrogen atom. The energy released when the atom falls from n = 4 state to the ground state is
A. 1.275 eV
B. 12.75 eV
C. 5 eV
D. 8 eV
7 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect
8 Which one of the following phenomena is not explained by Hugen's construction of wavefront?
A. Refraction
B. Reflection
C. Diffraction
D. Origin of sepectra
9 The magnetic moment of a circular coil carrying current is
A. Directly proportional to the length of the wire in the coil
B. Inversely proportional to the length of the wire in the coil
C. Directly proportional to the square of the length of the wire in the coil
D. Inversely proportional to the square of the length of the wire in the coil
10 Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)
A. 3.2 x 10-21 J
B. 3.2 x 10-19 J
C. 7 x 10-25 J
D. 9 x 10-32 J

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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