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

00:00
Question # 1

Which of the following four statement is false?

Question # 2

In an L-R circuit, time constant is that time in which current grows from zero to the value

Question # 3

The frequency of the incident light falling on a photosensitive metal plate is doubled, the kinetic energy of the emitted photoelectrons is

Question # 4

The volt/metre is the unit of:

Question # 5

Planck's constant has the dimensions of:

Question # 6

A particle is moving in a uniform magnetic filed, then

Question # 7

The motion without consideration of its cause is studied in

Question # 8

In a simple harmonic motion (SHM), which of the following does not hold?

Question # 9

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

Question # 10

The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is

Question # 11

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 12

How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?

Question # 13

A man pushes a wall but fails to displace it. He does:

Question # 14

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 # 15

With the increase of temperature viscosity

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A boy is dropped from a tower with zero velocity, reaches ground in 4s. The height of the tower is about
A. 80 m
B. 20 m
C. 160 m
D. 40 m
2 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
A. 0.916 mA
B. 2.45 mA
C. 4.9 mA
D. 5.1 mA
3 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
4 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
5 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
6 The twinkling of stars is due to
A. The fact that stars do not emit light continuously
B. The refractive index of the earth's atmosphere fluctuate
C. Intermittent absorption of star light by its own atmosphere
D. None of these
7 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
8 If the dot product of two non-zero vectors vanishes, the vectors will be
A. In the same direction
B. Opposite to each other
C. Perpendicular to each other
D. Zero
9 In a voltmeter the conduction takes place due to
A. Electrons only
B. Holes only
C. Electrons and holes
D. Electrons and ions
10 What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?
A. 4 : 5
B. 7 : 9
C. 16 : 25
D. 1 : 1

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