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

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 # 2

Two sources of sound are said to be coherent if

Question # 3

A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

Question # 4

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

Question # 5

Steel is preferred for making springs over copper. Why?

Question # 6

If the dot product of two non-zero vectors vanishes, the vectors will be

Question # 7

Which one of the following phenomena is not explained by Huygen's construction of wavefront?

Question # 8

A 220 V, 50 Hz. A.C. source is connected to an inductance of 0.2 H and a resistance of 20 ohm in series. What is the current in the circuit?

Question # 9

A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is

Question # 10

The direction of induced current is such that it opposes the very cause that has produced it. This is the law of

Question # 11

Blood has a density

Question # 12

The angle between rectangular components of a vector is

Question # 13

Absolute temperature can be calculated by

Question # 14

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

Question # 15

If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The part of a transistor which is heavily doped to produce large number of majority carriers is
A. Emitter
B. Base
C. Collector
D. Any of the above depending on nature of transistor
2 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
3 A moving charge will gain energy due to the application of
A. Electric field
B. Magnetic field
C. Both of these
D. None of these
4 Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
A. R1=2R2
B. R2=2R1
C. R2=4R1
D. R1=4R2
5 For obtaining appreciable extension, the wire should be
A. Short and thin
B. Long and thin
C. Short and thick
D. Long and thick
6 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
7 If the amplitude of sound is doubled and the frequency reduced to one-fourth, the intensity of sound at the same point will be
A. Increasing by a factor of 2
B. Decreasing by a factor of 2
C. Decreasing by a factor of 4
D. Unchanged
8 A ten-ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts:
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
9 The henry is the unit for
A. Resistance
B. Magnetic flux
C. Magnetic field
D. Inductance
10 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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