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
Other Links
Go to Home
Online Tests
NAT I Computer Science Physics MCQs With Answers
Question # 1
When sound waves travel from air to water which of these remains constant?
Choose an answer
Velocity
Frequency
Wavelength
All the above
Previous
Skip
Next
Question # 2
A prism splits a beam of white light into its seven constituent colors this is so because
Choose an answer
Phase of different colors is different
Amplitude of different colors is different
Energy of different colors is different
Velocity of different colors is different
Previous
Skip
Next
Question # 3
Which of the following is a scalar quantity
Choose an answer
Density
Displacement
Torque
Weight
Previous
Skip
Next
Question # 4
The initial velocity of a body moving along a straight line in 7 m/s. It has a uniform acceleration of 4 m/s
2
. The distance covered by the body in the 5th second of its motion is
Choose an answer
25 m
35 m
50 m
85 m
Previous
Skip
Next
Question # 5
With the propagation of a longitudinal wave through a material medium the quantities transmitted in the propagation direction are
Choose an answer
Energy momentum and mass
Energy
Energy and mass
Energy and linear momentum
Previous
Skip
Next
Question # 6
What remains constant in the field of central force?
Choose an answer
Potential energy
Kinetic energy
Angular momentum
Linear momentum
Previous
Skip
Next
Question # 7
The unit of inductance is equivalent to
Choose an answer
V x s/A
V x A/s
A x s/v
V/A x s
Previous
Skip
Next
Question # 8
If a diamagnetic substance is brought near north or south pole of a bar magnet it is
Choose an answer
Attracted by the poles
Repelled by the poles
Repelled by north pole and attracted by the south pole
Attracted by the north pole and repelled by the south pole
Previous
Skip
Next
Question # 9
Which of the following is the only vector quantity
Choose an answer
Temperature
Energy
Power
Momentum
Previous
Skip
Next
Question # 10
One cannot see through fog because
Choose an answer
Fog absorbs light
The refractive index of fog is infinity
Light suffers total reflection at the droplet in a fog
Light is scattered by the droplets in fog
Previous
Skip
Next
Question # 11
Which of the following is not thermo dynamical function?
Choose an answer
Enthalpy
Work done
Gibb's energy
Internal energy
Previous
Skip
Next
Question # 12
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:
Choose an answer
0.196 mA
2.45 mA
4.9 mA
5.1 mA
Previous
Skip
Next
Question # 13
A moving charge will gain energy due to the application of
Choose an answer
Electric field
Magnetic
Both of these
None of these
Previous
Skip
Next
Question # 14
The essential distinction between X-rays and y-rays is that
Choose an answer
y-rays have smaller wavelength than X-rays
y-rays emanate from nucleus while X-rays emanate from outer part of the atom
y-rays have greater ionizing power than X-rays
y-rays are more penetrating than X-rays
Previous
Skip
Next
Question # 15
Surface tension of water is due to
Choose an answer
Inter molecular attraction
Intermolecular spaces
Inter molecular repulsion
None of above
Previous
Skip
Next
Back