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Physics

Physics
Sound waves cannot travel in

Vacuum
Hydrogen gas
Water
Glass

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Physics
A NOT gate can be implemented by:

A single transistor
A single resistor
A single diode
Two diodes

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Physics
Who was the first scientist to discover Electrons?

Isaac Newton
Albert Einstein
J.J Thompson
J.C. Bose

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Physics
Dioptre is the unit of

Power of a lens
Focal length of a lens
Sound intensity
Light intensity

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Physics
Which of the following is used to split white light into different colours ?

Glass slab
Concave lens
Convex lens
Prism

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Physics
The ''Choke' used with a tube light is basically

A capacitor
An inductor
A transformer
A resistor

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