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

If the earth were to rotate faster, than its present speed the weight of an object will

Question # 2

Ball pen function on the principle of

Question # 3

An ideal choked (used along with fluorescent tube) would be

Question # 4

According to Stoke's law, drag force depends on

Question # 5

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

Question # 6

Surface tension of water is due to

Question # 7

Electrons in the atom are held in the atom due to

Question # 8

Who explained the origin of the Fraunhoffer lines?

Question # 9

Which of the following lists of physical quantities consists only of vectors:

Question # 10

A wire of radius r has resistance R, It it is stretched to a wire of r/2 radius, then the resistance becomes

Question # 11

A body moving in circular motion with constant speed has

Question # 12

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:

Question # 13

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

Question # 14

According to classical theory the proposed circular path of an electron in Rutherford model of atom will be

Question # 15

Two sources of sound are said to be coherent if

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    Zarrar Durrani 12 - Jul - 2024 12 Min 04 Sec 13/15
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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is
A. Zero
B. 0.5 ohm
C. 1.1 ohm
D. 5.0 ohm
3 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
4 When boron is added as an impurity to silicon, the resulting material is.
A. n type conductor
B. n type semiconductor
C. p-type conductor
D. p-type semiconductor
5 The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is
A. 25
B. 225
C. 625
D. 1250
6 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
A. 1.92 N
B. 19.2 N
C. 12 N
D. 0.192 N
7 A photoelectric cell coverts
A. Electrical energy to light energy
B. Light energy to light energy
C. Light energy to electrical energy
D. Light energy to elastic energy
8 Two sources of sound are said to be coherent if
A. They produce sounds of equal intensity
B. They produce sounds of equal frequency
C. They produce sound waves vibrating with the same phase
D. They produce sound waves with zero or constant phase different all instant of time
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 Electrons in the atom are held in the atom due to
A. Coulomb forces
B. Nuclear forces
C. Gravitational forces
D. Van der Waal's forces

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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