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 lists of physical quantities consists only of vectors:

Question # 2

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

Question # 3

The motion without consideration of its cause is studied in

Question # 4

A person standing on a rotating platform has his hands lowered. He suddenly outstretches his arms. The angular momentum

Question # 5

To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined

Question # 6

With the increase of temperature viscosity

Question # 7

For obtaining appreciable extension, the wire should be

Question # 8

A sun rise or sun set, the sun looks reddish because:

Question # 9

When we apply reverse bias to a junction diode, it

Question # 10

All of the following statements are correct except

Question # 11

The number of turns in the primary coil of a transformer is 200 and the number of turns in the secondary coil is 10. If 240 volts ac are applied to the primary, the output the secondary will be

Question # 12

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

Question # 13

Radio waves of constant amplitude can be generated with

Question # 14

A moving charge will gain energy due to the application of

Question # 15

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

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Which of the following lists of physical quantities consists only of vectors:
A. Time, temperature, velocity
B. Force, volume, momentum
C. Velocity, acceleration, mass
D. Force, acceleration, velocity
2 The direction of induced current is such that it opposes the very cause that has produced it. This is the law of
A. Lenz
B. Faraday
C. Kirchoff
D. Fleming
3 A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes
A. 2R
B. 4R
C. 16R
D. Zero
4 The force between two charges 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become
A. 7.20 N
B. 11.25 N
C. 22.50 N
D. 45.00
5 If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will
A. Increas
B. Decreases
C. Remain the same
D. First A then B
6 A conducting wire is drawn to double its length. Final resistivity of the material will be
A. Double of the original one
B. Half of the original one
C. One-fourth of the original one
D. Same as original one
7 Blood has a density
A. Equal to water
B. Greater then water
C. Lesser then water
D. None of these
8 To get a resultant displacement of 10 m, two displacement vectors of magnitude 6 m and 8 m should be combined
A. Parallel
B. Antiparallel
C. At angle 60°
D. Perpendicular to each other
9 When we apply reverse bias to a junction diode, it
A. Lowers the potential barrier
B. Raise the potential barrier
C. Increase the majority carrier current
D. Increase the minority carrier current
10 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

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