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 wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 2

Which quantity is increased in step-down transformer?

Question # 3

To increase the magnification of a telescope

Question # 4

In Which case does the potential energy decreases?

Question # 5

At constant volume temperature is increased. Then

Question # 6

The dot product of two vectors is negative when

Question # 7

Velocity of sound in a diatomic as is 300 m/sec, what is its rms velocity?

Question # 8

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

Question # 9

A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be

Question # 10

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 11

What remains constant in the field of central force?

Question # 12

The motion without consideration of its cause is studied in

Question # 13

With the propagation of a longitudinal wave through a material medium, the quantities transmitted in the propagation direction are

Question # 14

The volt/metre is the unit of:

Question # 15

The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A wire is stretched to double of its length. The strain is
A. 2
B. 1
C. zero
D. 0.5
2 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
3 The peak voltage in 220 volt A.C. supply is nearly
A. 220 volt
B. 253 volt
C. 311 volt
D. 440 volt
4 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
5 In an A.C. circuit, a resistance of R ohm is connected in series with an inductance L. If phase angle between voltage and current be 45°, the value of inductive reactance will be
A. R/4
B. R/2
C. R
D. Cannot be found with the given data
6 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
7 A pendulum clock set to give correct time in Karachi is taken to Quetta. It would give correct time if
A. The mass of the pendulum is increased
B. The mass of the pendulum is decreased
C. The length of the pendulum is increased
D. The length of the pendulum is decreased
8 If a diamagnetic substance is brought near north or south pole of a bar magnet it is
A. Attracted by the poles
B. Repelled by the poles
C. Repelled by north pole and attracted by the south pole
D. Attracted by the north pole and repelled by the south pole
9 A motorist travels A to B at a speed at 40 km/h and returns at speed of 60 km/h. His average speed will be
A. 40 km/h
B. 48 km/h
C. 50 km/h
D. 60 km/h
10 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

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