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Physics

Physics
The damage of the human body due to radiation (X-rays or grays etc,) is measured in :

Roentgen
Curie
Rems
Rads

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Physics
A boy sitting in a train moving with a uniform velocity drops a coin outside. A man standing outside the train will find the trajectory of the coin to be

A parabola
A horizontal straight line
A circle
A vertical straight line

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Physics
The value of coefficient of restitution in perfectly elastic collision is

0.5
2
1

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Physics
The method of magnetisation is:

Heating a magnet
Passing direct current through it
Passing alternating current through it
Hammering a magnet

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Physics
On which principle does the hydraulic lift works?

Newton's law
Archimedes's law
Joule's law
Pascal's law

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Physics
A bomb explodes on the moon. You will hear its sound on earth after ________

20 minutes
3.7 hours
You cannot hear the sound of explosion
2 hours 20 minutes

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MORE MCQ ON Physics

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