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 monochromatic source of light is placed at a large distance d from a metal surface. Photoelectrons are ejected at rate n, kinetic energy being E. If the source is brought nearer to distance d/2, the rate and kinetic energy per photoelectron become nearly

Question # 2

Angular momentum is

Question # 3

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

Question # 4

In a voltmeter the conduction takes place due to

Question # 5

In which of the following states does the incandescent substance give continuous spectrum?

Question # 6

As the electron in Bohr orbit of hydrogen atom passes from stat n = 2 to n = 1, the kinetic energy K and potential energy U change as

Question # 7

The modulus of rigidity of a liquid is

Question # 8

In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is

Question # 9

Mechanical waves on the surfaces of a liquid are

Question # 10

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 11

Electrons in the atom are held in the atom due to

Question # 12

The product of the pressure and volume of an ideal gas is

Question # 13

The contrast in the fringes in any interference pattern depends on

Question # 14

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 # 15

The magnetic moment of a circular coil carrying current is

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Bernoulli's equation is based upon law of conservation
A. Mass
B. Momentum
C. Energy
D. None of these
2 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
3 Which of the modulus of elasticity is involved in compression a rod to decrease its length?
A. Young's modulus
B. Bulk modulus
C. Modulus of rigidity
D. None of the above
4 The angle between rectangular components of a vector is
A. 0°
B. 60°
C. 90°
D. 120°
5 The volt/metre is the unit of:
A. Potential
B. Work
C. Force
D. Electric field intensity
6 A bullet is shot from a rifle. As a result the rifle recoils. The kinetic energy of rifle as compared to that of bullet is
A. Less
B. Greater
C. Equal
D. Cannot be concluded
7 The magnetic moment of a circular coil carrying current is
A. Directly proportional to the length of the wire in the coil
B. Inversely proportional to the length of the wire in the coil
C. Directly proportional to the square of the length of the wire in the coil
D. Inversely proportional to the square of the length of the wire in the coil
8 The unit of electric current 'ampere' is the amount of current flowing through each of two parallel wires 1 m apart and of infinite length will give rise to a force between them equal to
A. 1 N/m
B. 2 x 10-7N/m
C. 1 x 10-2N/m
D. 4 x 102N/m
9 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
10 In which case application of angular velocity is useful?
A. When a body is rotating
B. When velocity of body is in a straight line
C. When velocity is in a straight line
D. None of these

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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