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

The twinkling of stars is due to

Question # 2

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

Question # 3

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

Question # 4

When the length of a microscope tube increases, its magnifying power

Question # 5

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 # 6

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

Question # 7

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

Question # 8

The peak voltage in 220 volt A.C. supply is nearly

Question # 9

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

Question # 10

In Young's experiment, two coherent sources are placed 0.90 mm apart and the fringes are observed one metre away. If its produces the second dark fringe at a distance of 1 mm from the central fringe, the wavelength of monochromatic light used would be

Question # 11

The structure of solids is investigated by using

Question # 12

For production of beats the two sources must have

Question # 13

Ultra-violet radiation of 6.2 eV falls on an aluminium surface. K.E. of fastest electron emitted is (Work function = 4.2 eV)

Question # 14

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

Question # 15

According to Stoke's law, drag force depends on

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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    Muhammad Ali 19 - Aug - 2021 04 Min 28 Sec 8/15
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    Hajra 01 - Dec - 2018 03 Min 05 Sec 7/15
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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:
A. Mass
B. Length
C. Time
D. None
2 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
3 The length of a telescope is 36 cm. The focal lengths of its lenses can be
A. 30 cm, 6 cm
B. -30 cm, -6 cm
C. 30 cm, -6cm
D. -30cm, 6cm
4 The nucleus 6C12 absorbs an energetic neutron and emits a beta particle (β). The resulting nucleus is
A. 7N14
B. 5B13
C. 7N13
D. 6C13
5 An object is placed at a distance of f/2 from a convex lens. The image will be
A. At one of the foci, virtual and double its size
B. At, 3f/2, real and inverted
C. At 2f, virtual and erect
D. At f, real and inverted
6 Copper and germanium are cooled to 70K from room temperature, then
A. Resistance of copper increases while that of germanium decreases
B. Resistance of copper decreases while that of germanium increases
C. Resistance of both decreases
D. Resistance of both increases
7 When the length of a microscope tube increases, its magnifying power
A. Decreases
B. Increases
C. May increases or decreases depending on the observer and the place of observation
D. Does not change
8 Absolute temperature can be calculated by
A. Mean square velocity
B. Motion of the molecule
C. Both A and B
D. None of these
9 Which of the following is the only vector quantity?
A. Temperature
B. Energy
C. Power
D. Momentum
10 Which of the following is a scalar quantity?
A. Density
B. Displacement
C. Torque
D. Weight

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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