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

The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is

Question # 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

Question # 3

A prism splits a beam of white light into its seven constituent colors. This is so because

Question # 4

At 0°K which of the following properties of a gas will be zero?

Question # 5

Which of the following is a scalar quantity?

Question # 6

A body moving in circular motion with constant speed has

Question # 7

A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be

Question # 8

Which of the following is not thermo dynamical function?

Question # 9

Absolute temperature can be calculated by

Question # 10

What will be the duration of the day and night (in hour) if the diameter of the earth is suddenly reduced to half its original value, the mass remaining constant?

Question # 11

If a diamagnetic substance is brought near north or south pole of a bar magnet it is

Question # 12

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

Question # 13

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

Question # 14

Steel is preferred for making springs over copper. Why?

Question # 15

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 When sound waves travel from air to water which of these remains constant?
A. Velocity
B. Frequency
C. Wavelength
D. All the above
2 The nuclear model of atom was proposed by
A. J.J Thomson
B. E. Rutherford
C. Neil Bohr
D. Summerfield
3 Which of the following sources give discrete emission spectrum?
A. Incandescent electric bulb
B. Sun
C. Mercury vapour lamp
D. Candle
4 Angular momentum is
A. Vector (axial)
B. Vector (polar)
C. Scalar
D. None of these
5 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
6 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
7 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
8 The number of translation degrees of freedom for a diatomic gas is
A. 2
B. 3
C. 5
D. 6
9 The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is
A. 25 m
B. 35 m
C. 50 m
D. 85 m
10 When boron is added as an impurity to silicon, the resulting material is.
A. n type conductor
B. n type semiconductor
C. p-type conductor
D. p-type semiconductor

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