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Physics 9 Chapter 6 - Work and Energy - 12
1.
The Sun is the main source of..................?
a) Mechanical energy
b) Sound energy
c) Electrical energy
d) Heat energy
2.
Which type of energy batteries supply?
a) Heat energy
b) Electrical energy
c) Mechanical energy
d) Light energy
3.
Which type of energy electric generators supply?
a) Heat energy
b) Electrical energy
c) Light energy
d) Mechanical energy
4.
By which of the following powers, electric generators run?
a) Thermal power
b) Nuclear power
c) Hydro power
d) All of these
5.
Which of the following form of energy vibrating strings of a sitar produce?
a) Light energy
b) Electrical energy
c) Heat energy
d) Sound energy
6.
Which of the following form of energy vibrating diaphragm of a drum produce?
a) Heat energy
b) Sound energy
c) Electrical energy
d) Light energy
7.
Which of the following produces sound energy?
a) A stretched bow
b) A catapult
c) Water running down a stream
d) Vibrating diaphragm of a drum
8.
Which of the following form of energy vibrating air column of wind instruments produce?
a) Electrical energy
b) Light energy
c) Heat energy
d) Sound energy
9.
Which of the following produces sound energy?
a) Water running down a stream
b) A catapult
c) A stretched bow
d) Vibrating air column of flute pipe
10.
Which of the following is produced when we knock at the door?
a) Heat
b) Sound
c) Light
d) Electricity
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