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Physics

Physics
The sound produced by a bat is–

Ultrasonic
Audible
Subsonic
Infrasonic

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Physics
If the velocity of a body is halved its kinetic energy ________

Becomes 1/4 th
Becomes half
Is also doubled
Become 4 times

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Physics
In a rechargeable cell what kind of energy is stored within the cell?

Potential energy
Chemical energy
Kinetic energy
Electrical energy

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Physics
A person does some work of 1,000 J in 2 s. His power will be ________

50W
1000W
500W
25W

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Physics
The fuse in our domestic electric circuit melts when there is a high rise in

Current
Resistance
Capacitance
Inductance

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Physics
Which one of the following wavelengths of light is most effective in photosynthesis ?

Yellow
Blue
Green
Orange

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MORE MCQ ON Physics

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