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Physics

Physics
How many laws of physics are there?

3
2
5
4

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Physics
If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be

Half
Double
Same
One Fourth

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Physics
Person who is colourblind cannot distinguish between

Yellow and white
Green and blue
Red and green
Black and yellow

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Physics
The frequency used in TV and radar system lies in

VHF
UHF
SHF
HF

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Physics
Suitable impurities are added to a semiconductor depending on its use. This is done in order to

increase its life
increase its electrical resistivity
increase its electrical conductivity
enable it to withstand higher voltages

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Physics
Sound becomes hazardous noise pollution at decibels?

Above 30 db
Above 120 db
Above 80 db
Above 50 db

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MORE MCQ ON Physics

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