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
9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers
Question # 1
The Atwood machine can be used to find the acceleration due to gravity using the equation
Choose an answer
g = 2 (m1 x m2)/(m1 + m2) a
g = (m1 - m2)/(m1 + m2) a
g = (m1 + m2)/(m1 - m2) a
Previous
Skip
Next
Question # 2
The mass of a body
Choose an answer
Decreases when accelerated
Increases when accelerated
Decreases when moving with high velocity
None of the above
Previous
Skip
Next
Question # 3
The value of 'g' is maximum
Choose an answer
At mountains
At plains
At the surface of earth
At sea level
Previous
Skip
Next
Question # 4
Turning effect of a force is called:
Choose an answer
Torque
Moment
Couple
Torque and momentum
Previous
Skip
Next
Question # 5
Ice at ............ °C is more effective in cooling.
Choose an answer
0
-1
-2
-3
Previous
Skip
Next
Question # 6
The type of hydrometer which is used to measure the concentration of acid in a battery is called:
Choose an answer
Chemical meter
Acid meter
Barometer
pH meter
Previous
Skip
Next
Question # 7
In SI units, the value of gravitational constant 'G' is
Choose an answer
6.673 x 10-9 Nm2 kg-2
6.673 x 10-10 Nm2 kg-2
6.673 x 10-11 Nm2 kg-2
6.673 x 10-12 Nm2 kg-2
Previous
Skip
Next
Question # 8
Action and Reaction are always on:
Choose an answer
Same body
Different bodies
Any body
None of these
Previous
Skip
Next
Question # 9
F = Kx is mathematical form of which law:
Choose an answer
Law of gravity
Hooke's Law
Einstein's theory
It is just relation
Previous
Skip
Next
Question # 10
Gravitational force is a
Choose an answer
Contacted force
Non-contact force
Electrical force
Charging force
Previous
Skip
Next
Question # 11
The energy stored in coal is
Choose an answer
Heat energy
Kinetic energy
Chemical energy
Nuclear energy
Previous
Skip
Next
Question # 12
If a body does work at the rate of 1 Js
-1
then its power will be:
Choose an answer
KW
1 MW
1 W
None of these
Previous
Skip
Next
Question # 13
Centripetal acceleration of a body is given by formula:
Choose an answer
a
c
=v/r
a
c
=mv
2
/r
a
c
=v/r
2
a
c
=v2/r
Previous
Skip
Next
Back