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Physics

Physics
In the remote control of television, electromagnetic waves used are

Ultraviolet
Microwave
Infrared
Radiowave

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Physics
Refrigeration is a process which

Kills bacteria
Slows down the bacterial growth
Inactivates the bacteria
Plasmolyses the bacteria

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Physics
At the center of the sun, fusion converts hydrogen into

Plutonium
Water
Carbon
Helium

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Physics
Least audible sound for most of the human ear is :

0.005 µ bar
10.0 µ bar
5.0 µ bar
0.0002 µ bar

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Physics
The metal used to make lightning conductors is

Zinc
Aluminium
Iron
Copper

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Physics
Which of the following is not true about X-rays?

Can be reflected or refracted
Can affect photographic plates
Have low penetrating power
Travel with the speed of light

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MORE MCQ ON Physics

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