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 pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if

Question # 2

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 3

Which of the following four statement is false?

Question # 4

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

Question # 5

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

Question # 6

When boron is added as an impurity to silicon, the resulting material is.

Question # 7

The structure of solids is investigated by using

Question # 8

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

Question # 9

The conductivity of a superconductor is

Question # 10

Choose the correct statement

Question # 11

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as

Question # 12

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

Question # 13

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

Question # 14

Radio waves of constant amplitude can be generated with

Question # 15

A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 Huygen's wave theory of light cannot explain
A. Diffraction
B. Interference
C. Polarization
D. Photoelectric effect
3 How does the Young's modulus vary with the increase of temperature?
A. Decrease
B. Increases
C. Remains constant
D. First increases and then decreases
4 The product of the pressure and volume of an ideal gas is
A. A constant
B. Approximately equal to the universal gas constant
C. Directly proportional to its temperature
D. Inversely proportional to its temperature
5 Band spectrum is produced by
A. H
B. He
C. H2
D. Na
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?
A. 10 A
B. 5 A
C. 33.3 A
D. 3.33 A
7 Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?
A. 400 m/sec
B. 40 m/sec
C. 430 m/sec
D. 300 m/sec
8 The sieman is the SI unit of
A. Resistance
B. Specific Resistance
C. Conductance
D. Inductance
9 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:
A. Cut off voltage
B. Zener voltage
C. Inverse voltage
D. Critical voltage
10 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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