Physics MCQs for Class 9 with Answers
O maximum height the P.E of the body is:
Zero
Maximum
Minimum
None of these
Solar cell is are also known as:
Electric cell
Photo Cell
Sun cells
Nuclear cells
The S.I unit of power is:
Newton
Watt
Joule
Coulomb
The energy possessed by a body due to height is called:
P.E
K.E
Both
None
The work is negative if the angle between force and displacement is:
0°
45°
90°
180°
Rate of doing work is called:
Energy
Torque
Power
Moment
In Einstein’s mass-energy equation, c is the
Speed of sound
Speed of light
Speed of electron
Speed of Earth
Work done is maximum when angle between force and displacement is:
45°
0°
60°
90°
Kinetic energy is possessed by a body by:
Virtue of motion
Height
Rest
Nil
The S.I unit of work is :
J
N
Kg
m
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