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

Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then

Question # 2

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

Question # 3

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

Question # 4

The angle between rectangular components of a vector is

Question # 5

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 # 6

The contrast in the fringes in any interference pattern depends on

Question # 7

Which of the following is not thermo dynamical function?

Question # 8

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

Question # 9

Bernoulli's equation is based upon law of conservation

Question # 10

Mechanical waves on the surfaces of a liquid are

Question # 11

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 # 12

Band spectrum is produced by

Question # 13

Quantity that remains unchanged in a transformer is

Question # 14

How much water a pump of 2kW can raise in one minute to a height of 10 m, take g = 10 m/s2?

Question # 15

The nuclear model of atom was proposed by

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NAT-II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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:
A. 50 m
B. 12.5 m
C. 25 m
D. 10 m
2 To make the frequency double of an oscillator, we have to
A. Double the mass
B. Half the mass
C. Quadruple the mass
D. Reduce the mass to one fourth
3 Which quantity is increased in step-down transformer?
A. Current
B. Voltage
C. Power
D. Frequency
4 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
5 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
A. 1.275 eV
B. 12.75 eV
C. 5 eV
D. 8 eV
6 The dimensional formula for the modulus of elasticity is same as that for:
A. Stress
B. Strain
C. Velocity
D. Surface tension
7 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
8 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
9 The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an a.c. supply of 20 V, 50 Hz. The secondary will have an output of
A. 200V, 50 Hz
B. 2V, 50 Hz
C. 200V, 500 Hz
D. 2V, 5 Hz
10 If the period of oscillation of mass (M) suspended from a spring is 2s, then the period of mass 4M will be
A. 1 s
B. 2 s
C. 3 s
D. 4 s

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  • Khalid Khan

    Khalid Khan

    28 Mar 2024

    paring scheme of mathh

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