More Classes

5th Class
6th Class
7th Class
8th Class
9th Class
10th Class
11th Class
12th Class
NAT I
NAT II
CSS
IQ
General Knowledge
MDCAT
ECAT
GAT General
GAT Subject

NAT I Computer Science Physics MCQs With Answers

Question # 1

Which quantity is increased in step-down transformer?

Choose an answer

Current

Voltage

Power

Frequency

Skip

Question # 2

The mass defect for the nucleus of helium is 0.0303 a.m.u What is the binding energy per nucleon for helium in MeV?

Choose an answer

Skip

Question # 3

For production of beats the two sources must have

Choose an answer

Different frequencies and same amplitude

Different frequencies

Different frequencies same amplitude and same phase

Different frequencies and same phase.

Skip

Question # 4

A 220 V, 50 Hz, AC 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?

Choose an answer

10 A

5 A

33.3 A

3.33 A

Skip

Question # 5

A pendulum clock set to give correct time in Karachi is taken to Quetta it would give correct time if

Choose an answer

The mass of the pendulum is increased

The mass of the pendulum is decreased

The length of the pendulum os increased

The length of the pendulum is decreased

Skip

Question # 6

The de broglie wave corresponding to a particle of mass m and velocity v has a wavelength associated with it

Choose an answer

h/mv

hm v

mh/v

m/hv

Skip

Question # 7

A photoelectric cell converts

Choose an answer

Electrical energy to light energy

Light energy to light energy

Light energy to electrical energy

Light energy to elastic energy

Skip

Question # 8

Which of the following is the only vector quantity

Choose an answer

Temperature

Energy

Power

Momentum

Skip

Question # 9

At a certain instant a stationary transverse wave is found to have maximum kinetic energy the appearance of string of that instant is:

Choose an answer

Sinusoidal shape with amplitude A/3

Sinusoidal shape with amplitude A/2

Sinusoidal shape with amplitude A

Straight line

Skip

Question # 10

According to the Hooke's law the force required to change the length of a wire by '1' is proportional to

Choose an answer

1^-2

1^-1

1²

Skip

Back