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

Radio waves of constant amplitude can be generated with

Question # 2

A photoelectric cell coverts

Question # 3

A cable that can support a load W is cut into two equal parts. The maximum load that can be supported by either part is:

Question # 4

One cannot see fog because

Question # 5

The nuclear model of atom was proposed by

Question # 6

If the metal bob is a simple pendulum is replaced by a wooden bob, then its time period will

Question # 7

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

Question # 8

A couple produces

Question # 9

In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie

Question # 10

Two forces are acting together on an object. The magnitude of their resultant is minimum when the angle between the force is

Question # 11

When boron is added as an impurity to silicon, the resulting material is.

Question # 12

What remains constant in the field of central force?

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

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

Question # 15

Boyle's law is applicable in

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A point charge Q is placed at the mid-point of a line joining two charges, 4q and q. If the net force on charge q is zero, then Q must be equal to
A. -q
B. +q
C. -2q
D. +4q
2 A voltmeter has resistance of 2000 ohms and it can measure up to 2V. If we want to increase its range to 10V then required resistance in series will be
A. 2000 ohm
B. 4000 ohm
C. 6000 ohm
D. 8000 ohm
3 A man pushes a wall but fails to displace it. He does:
A. Negative work
B. Maximum positive work
C. Positive work but not maximum
D. No work
4 All of the following statements are correct except
A. The total focal length of astronomical telescope is the sum of the focal lengths of its two lenses
B. The image formed by the astronomical telescope is always erect because the effect of the combination of the two lenses is divergent
C. The magnification of an astronomical telescope can increases by decreasing the focal length of the eyepiece
D. The magnifying power of the refracting type of astronomical telescope is the ratio of the focal length of the objective to that of the eye piece
5 An ideal choked (used along with fluorescent tube) would be
A. A pure resistor
B. A pure capacitor
C. A pure inductor
D. A combination of an inductor and a capacitor
6 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
7 In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie
A. Ultraviolet
B. Infrared
C. Visible
D. X-ray
8 The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes
A. 16 s
B. 12 s
C. 8 s
D. 4 s
9 The essential distinction between X-rays andγ-rays is that
A. γ-rays have smaller wavelength than X-rays
B. γ-rays emanate from nucleus while X-rays emanate from outer part of the atom
C. γ-rays have greater ionizing power than X-rays
D. γ-rays are more penetrating than X-rays
10 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

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