A nuclear reactor is a device used to carry out controlled nuclear reaction whereas GM counter is a device used to detect?

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Freezing point of water is__________?

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The speed of light will be minimum while passing through:

A.Glass B.Vaccum C.Water D.Air...

The deficiency of vitamin K causes ________ ?

A. Loss of appetite B. Scurvy C. Sterility D. Blood clotting disorder...

Bronze is a alloy of ?

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The subatomic particles arriving from outer space having high energy are called?

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