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 Medical Physics MCQs With Answers
Question # 1
Two bodies of masses m
1
and m
2
have equal momentum their kinetic energies E
1
and E
2
are in the ratio
Choose an answer
√m
1
: √m
2
m
1
:
m
2
m
2
:
m
1
m
1
2
:
m
2
2
Previous
Skip
Next
Question # 2
Which of the following four statements is false?
Choose an answer
A body can have zero velocity and still be accelerated
A body can have a constant velocity and still have a varying speed
A body can have a constant speed and still have a varying velocity
The direction of the velocity of a acceleration is constant
Previous
Skip
Next
Question # 3
The velocity of a particle at an instant is 10 m/s and after 5 s the velocity of the particle is 20 m/s.The velocity 3s before in m/s is:
Choose an answer
8
4
6
7
Previous
Skip
Next
Question # 4
The distance between node and anti-node is
Choose an answer
λ
λ/2
λ/4
2λ
Previous
Skip
Next
Question # 5
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 # 6
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 # 7
If the dot product of two non-zero vectors vanishes the vectors will be
Choose an answer
In the same direction
Opposite to each other
Perpendicular to each other
Zero
Previous
Skip
Next
Question # 8
If the earth were to rotate faster than its present speed the weight of an object will
Choose an answer
Increase at the equator but remain unchanged at the poles
Decrease at the equator but remain unchanged at the poles
Remain unchanged at the decrease but decrease at the poles
Remain unchanged at the equator but increase at the poles
Previous
Skip
Next
Question # 9
Center of mass is a point
Choose an answer
Which is geometric center of a body
From which distance of particles are same
Where the whole mass of the body is supposed to be centered
Which is the origin of reference frame
Previous
Skip
Next
Back