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

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

Question # 2

At a certain instant a stationary transverse wave is found to have maximum kinetic energy. The appearance of string of that instant is:

Question # 3

Planck's constant has the dimensions of:

Question # 4

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

Question # 5

According to classical theory the proposed circular path of an electron in Rutherford model of atom will be

Question # 6

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?

Question # 7

The modulus of rigidity of a liquid is

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

Electrons in the atom are held in the atom due to

Question # 12

What remains constant when the earth revolves around the sun?

Question # 13

The part of a transistor which is heavily doped to produce large number of majority carriers is

Question # 14

In a voltmeter the conduction takes place due to

Question # 15

The dimensional formula for the modulus of elasticity is same as that for:

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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 If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be
A. 0.1 watt
B. 1 watt
C. 10 watt
D. 100 watt
3 The volt/metre is the unit of:
A. Potential
B. Work
C. Force
D. Electric field intensity
4 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
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 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
7 When the length of a microscope tube increase, its magnifying power
A. Decreases
B. Increases
C. Does not Change
D. May increase or decrease depending on the observer and the place of observation
8 When n-type of semiconductor is heated
A. Number of electrons increases while that of holes decreases
B. Number of holes increases while that of electron decreases
C. Number of electrons and holes remains same
D. Number of electrons and holes increases equally
9 The percentage errors in the measurements of mass and speed are 2% and 3% respectively. How much will be the maximum error in the estimate of the kinetic energy obtained by measuring mass and speed
A. 11%
B. 8%
C. 5%
D. 1%
10 A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be
A. 64 W
B. 80 W
C. 100 W
D. 125 W

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