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

Angular momentum is

Question # 2

In which case application of angular velocity is useful?

Question # 3

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:

Question # 4

Radio waves of constant amplitude can be generated with

Question # 5

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

Question # 6

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

Question # 7

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 8

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

Question # 9

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

Question # 10

For production of beats the two sources must have

Question # 11

Steel is preferred for making springs over copper. Why?

Question # 12

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 # 13

The temperature at which the speed of sound becomes double as was at 27°C is

Question # 14

A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:

Question # 15

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

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
2 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
3 One cannot see fog because
A. Fog absorbs light
B. The refractive index of fog is infinity
C. Light suffers total reflection at the droplet in a fog
D. Light is scattered by the droplet in fog
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 What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?
A. 12
B. 6
C. 3
D. 2
6 Centre of mass is a point
A. Which is geometric centre of a body
B. From which distance of particles are same
C. Where the whole mass of the body is supposed to be centered
D. Which is the origin of reference frame
7 In a voltmeter the conduction takes place due to
A. Electrons only
B. Holes only
C. Electrons and holes
D. Electrons and ions
8 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
A. 25
B. 225
C. 625
D. 1250
9 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
10 In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
A. Ultraviolet
B. Infrared
C. Visible
D. X-ray

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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