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

Mechanical waves on the surfaces of a liquid are

Question # 2

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

Question # 3

A p-n junction has a thickness of the order of:

Question # 4

Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is

Question # 5

Radio waves of constant amplitude can be generated with

Question # 6

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is

Question # 7

A body moving in circular motion with constant speed has

Question # 8

In a simple harmonic motion the kinetic energy (KE) and the potential energy (PE), are such that throughout the motion

Question # 9

In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is

Question # 10

The sum of the magnitude of two forces acting at a point is 18 and the magnitude of their resultant is 12. If the resultant is at 90°with the force of the smaller magnitude, then their magnitudes are:

Question # 11

A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:

Question # 12

If tube length of astronomical telescope is 105 cm and magnifying power is 20 for normal setting. Calculate the focal length of objective

Question # 13

The dot product of two vectors is negative when

Question # 14

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

Question # 15

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
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:
A. q = Q/4
B. q = Q/2
C. q = Q
D. None of these
2 The motion without consideration of its cause is studied in
A. Kinematics
B. Mechanics
C. Statics
D. Modern Physics
3 A monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly
A. 2n and 2E
B. 4n and 4E
C. 4n and E
D. N and 4E
4 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
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 body moves a distance of 10 m along a straight line under the action of a force of 5 Newton's. If the work done is 25 joules, the angle which the force takes with the direction of motion of the body is:
A. 0°
B. 30°
C. 60°
D. 90°
7 For production of beats the two sources must have
A. Different frequencies and same amplitude
B. Different frequencies
C. Different frequencies, same amplitude and same phase
D. Different frequencies and same phase
8 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
A. 1 N/m
B. 2 x 10-7N/m
C. 1 x 10-2N/m
D. 4 x 102N/m
9 In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be
A. R/4
B. R/2
C. R
D. Cannot be found with the given data
10 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

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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