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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  • Time Allowed15

NAT II Physical Science Physics

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Question # 1

A 2 kg body and a 3 kg body have equal momentum. If the kinetic energy of 3 kg body is 10 J, the KE of 2 kg body will be

Question # 2

There are discrete energy levels in atoms. It was first experimentally demonstrated by

Question # 3

In a voltmeter the conduction takes place due to

Question # 4

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 5

Which of the modulus of elasticity is involved in compression a rod to decrease its length?

Question # 6

Which of the following is the only vector quantity?

Question # 7

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

Question # 8

Which of the following four statement is false?

Question # 9

What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th seconds of journey?

Question # 10

A moving charge will gain energy due to the application of

Question # 11

The smooth or steady stream-line flow is know as

Question # 12

Surface tension of water is due to

Question # 13

According to the Hooke's law the force required to change the length of a wire by 'I' is proportional to

Question # 14

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

Question # 15

What remains constant in the field of central force?

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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 A photocell with a constant p.d. of V volt across it illuminated by a point source from a distance of 25 cm. When the source is moved to a distance of 1m, the electrons emitted by the photocell
A. Carry 1/4th their previous energy
B. Are 1/16th as numerous as before
C. Are 1/4th as numerous as before
D. Carry 1/4th their previous momentum
2 How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?
A. 1000 liters
B. 1200 liters
C. 100 liters
D. 2000 liters
3 A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is
A. Equal to unity
B. Equal to 1.33
C. Between unity and 1.33
D. Greater than 1.33
4 The peak voltage in 220 volt A.C. supply is nearly
A. 220 volt
B. 253 volt
C. 311 volt
D. 440 volt
5 A (100 W, 200 V) bulb is connected to a 160 V power supply. The power consumption would be
A. 64 W
B. 80 W
C. 100 W
D. 125 W
6 Quantity that remains unchanged in a transformer is
A. Voltage
B. Current
C. Frequency
D. None of these
7 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
8 With the increase of temperature viscosity
A. Increase
B. Decrease
C. Remains same
D. Doubles
9 Absolute temperature can be calculated by
A. Mean square velocity
B. Motion of the molecule
C. Both A and B
D. None of these
10 Light appears to travel in straight lines since
A. It is not absorbed by the atmosphere
B. It is reflected by the atmosphere
C. Its wavelength is very small
D. Its velocity is very large

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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