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 modulus of rigidity of a liquid is

Question # 2

Which of the following four statement is false?

Question # 3

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 # 4

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

Question # 5

In which case application of angular velocity is useful?

Question # 6

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 7

In an L-R circuit, time constant is that time in which current grows from zero to the value

Question # 8

The half-life of a radio-isotope is 5 years. The fraction of atoms decayed in this substance after 15 years will be

Question # 9

How does the Young's modulus vary with the increase of temperature?

Question # 10

When the length of a microscope tube increase, its magnifying power

Question # 11

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

Question # 12

A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be

Question # 13

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

Question # 14

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 15

In a simple harmonic motion (SHM), which of the following does not hold?

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Sr.# Question Answer
1 In an L-R circuit, time constant is that time in which current grows from zero to the value
A. 0.63 Io
B. 0.50 Io
C. 0.37 Io
D. Io
2 If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be
A. 1 s
B. 2 s
C. 3 s
D. 4 s
3 The motion without consideration of its cause is studied in
A. Kinematics
B. Mechanics
C. Statics
D. Modern Physics
4 Surface tension of water is due to
A. Inter molecular attractions
B. Intermolecular spaces
C. Inter molecular repulsion
D. None of above
5 Shunt required in an ammeter of resistance R to decrease its deflection from 30 ampere to 10 ampere is
A. R/4
B. R/3
C. R/2
D. R
6 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
7 The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is
A. 7N14
B. 5B13
C. 7N13
D. 6C13
8 A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?
A. 10 A
B. 5 A
C. 33.3 A
D. 3.33 A
9 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
10 With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are
A. Energy, momentum and mass
B. Energy
C. Energy and mass
D. Energy and linear momentum

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