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 couple produces

Question # 2

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

Question # 3

A fly is sitting on the objective of a telescope pointed towards the moon.
What effect is expected on the photography of the moon taken through the telescope?

Question # 4

The average binding energy of a nucleus inside an atomic nucleus is about

Question # 5

A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is

Question # 6

One cannot see fog because

Question # 7

When we apply reverse bias to a junction diode, it

Question # 8

Light appears to travel in straight lines since

Question # 9

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

Question # 10

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of

Question # 11

Surface tension of water is due to

Question # 12

A photoelectric cell coverts

Question # 13

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 # 14

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 # 15

The essential distinction between X-rays andγ-rays is that

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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    Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
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    Lolo Polo 22 - Jul - 2022 03 Min 06 Sec 7/15

NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 In a Millikan's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
A. 3.9
B. 4
C. 4.2
D. 6
2 Which of the following particles would experience the largest magnetic force when projected with the same velocity perpendicular to a magnetic field?
A. Proton
B. Electron
C. He+
D. Li+
3 A body of mass 2 kg is thrown up vertically with K.E. of 490 joules. If the acceleration due to gravity is 9.8 m/s2, the height at which the K.E, of the body becomes half its original value is given by:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m
4 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
5 The smooth or steady stream-line flow is know as
A. Laminar flow
B. Turbulent flow
C. Both a and b
D. None of the above
6 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
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 In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
A. Ultraviolet
B. Infrared
C. Visible
D. X-ray
9 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
10 A person standing near the track of a fast moving train has tendency to fall towards it because of
A. Vibration due to motion of train
B. Gravitation force of attraction between person and trains
C. The high speed of train
D. Some other effect

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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