NAT IIP Physical Science Physics Preparation Online Test for Pakistani Students

MCQ's Test For NAT II Physical Science Physics

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NAT II Physical Science Physics

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Question # 1

Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

A train of 150 m length is going towards north direction at a speed of 10 ms-1. A parrot flies at a speed of 5 ms-1towards south direction parallel to the railway track. The time taken by the parrot to cross the train is equal to

Question # 6

Angular momentum is

Question # 7

The essential distinction between X-rays andγ-rays is that

Question # 8

The number of translation degrees of freedom for a diatomic gas is

Question # 9

Which of the following lists of physical quantities consists only of vectors:

Question # 10

Mechanical waves on the surfaces of a liquid are

Question # 11

When we apply reverse bias to a junction diode, it

Question # 12

A moving charge will gain energy due to the application of

Question # 13

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 14

When n-type of semiconductor is heated

Question # 15

What remains constant in the field of central force?

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 There are discrete energy levels in atoms. It was first experimentally demonstrated by
A. Rutherford's experiment
B. Franck Hertz experiment
C. Marsden's experiment
D. Somerfield experiment
2 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
3 According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to
A. I-2
B. I-1
C. I
D. I2
4 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
5 A particle is moving in a uniform magnetic filed, then
A. its momentum changes but total energy remains the same
B. Both momentum and total energy remains the same
C. Both changes
D. Total energy change but momentum remains
6 A person standing on a rotating platform has his hands lowered. He suddenly outstretches his arms. The angular momentum
A. Becomes zero
B. Increases
C. Decreases
D. Remains the same
7 A wire is stretched to double of its length. The strain is
A. 2
B. 1
C. zero
D. 0.5
8 The volt/metre is the unit of:
A. Potential
B. Work
C. Force
D. Electric field intensity
9 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
10 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these

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