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Physics

Physics
Which tube used to produce X-ray?

X-ray tube
Roentgen
None of these
Coolidge tube

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Physics
Gamma rays are emitions that have

Charge but no mass
Both mass and charge
Neither mass nor charge
Mass but no charge

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Physics
The device which converts AC to DC is

None of these
Rectifier
Amplifier
Oscillator

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Physics
The basic reason for the extraordinary sparkle of suitably cut diamond is that

It has a very high transparency
It has a very high refractive index
It has well defined cleavage planes
It is very hard

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Physics
Ozone layer above the surface of Earth provides a shield against

X-rays
Ultra-violet rays
Infra-red rays
Gamma rays

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Physics
Which of the following has the highest frequency?

Radio waves
Microwaves
X-rays
Cosmic rays

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MORE MCQ ON Physics

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