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

The fundamental unit which has same power in the dimensional formula of surface tension and viscosity is:

Question # 2

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

Question # 3

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

Question # 4

A force of 10N is acting along y-axis. Its component along x-axis is

Question # 5

Which quantity is increased in step-down transformer?

Question # 6

A wire is stretched to double of its length. The strain is

Question # 7

Energy is stored in the choke coil in the form of

Question # 8

The twinkling of stars is due to

Question # 9

When a hydrogen atom is bombarded, the atom is excited to the n = 4 state of hydrogen atom. The energy released when the atom falls from n = 4 state to the ground state is

Question # 10

A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when:

Question # 11

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

Question # 12

The unit of inductance is equivalent to

Question # 13

A 50-volt battery is connected across 10-ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 14

Band spectrum is produced by

Question # 15

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

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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 initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s2. The distance covered by the body in the 5th second of its motion is
A. 25 m
B. 35 m
C. 50 m
D. 85 m
3 A capacitor acts as an infinite resistance for
A. AC
B. DC
C. Both AC and DC
D. Neither AC nor DC
4 A p-n junction has a thickness of the order of:
A. 1 cm
B. 1 mm
C. 10-6cm
D. 10-12cm
5 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
6 Ball pen function on the principle of
A. Viscosity
B. Boyle's law
C. Gravitational force
D. Surface tension
7 The product of the pressure and volume of an ideal gas is
A. A constant
B. Approximately equal to the universal gas constant
C. Directly proportional to its temperature
D. Inversely proportional to its temperature
8 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
9 Which of the following is not thermo dynamical function?
A. Enthalpy
B. Work done
C. Gibb's energy
D. Internal energy
10 Planck's constant has the dimensions of:
A. Energy
B. Momentum
C. Frequency
D. Angular momentum

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