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Physics

Physics
Gamma rays can cause

Burning
Fever
Sneezing
Gene mutation

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Physics
One watt-hour is equivalent to

6.3 x 103 J
3.6 x 103 J
6.3 x 10-7 J
3.6 x 10-3 J

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Physics
A hunter on the ground wishes to shoot a bird on a tree at a distance with his rifle. He has to point the rifle

In the same direction as the bird
At a higher elevation than the bird
At the lower elevation than the bird
Vertically upwards

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Physics
A wavelength of 0.3 m is produced in air and it travels at a speed of 300 m/s. Then it will be an

Microwave
Ultrasonic wave
Audible wave
Infrasonic wave

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Physics
What device converts light energy to electrical energy?

Photodiode
Thermocouple
Photovoltaic cell
Heliostats

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Physics
Stars appears to move from east to west because

The earth rotates from east to west
All stars move from east to west
The background of the stars moves from west to east
The earth rotates from west to east

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MORE MCQ ON Physics

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