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Physics

Physics
Which tube used to produce X-ray?

None of these
X-ray tube
Coolidge tube
Roentgen

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Physics
What measures Air pressure?

Barkometer
Bolometer
Barometer
Spectrometer

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Physics
Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

Intense sunlight at noon
Hysteresis loss alone
Both the heating effect of current and hysteresis loss
The heating effect of current alone

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Physics
The washing machine works on the principle of

Dialysis
Reverse osmosis
Centrifugation
Diffusion

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Physics
Which of the following is not reversible?

Thomson effect
Joule effect
Peltier effect
Seebeck effect

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Physics
An image formed by a plane mirror, that cannot be obtained on a screen is called ________

Inverted image
Virtual image
Erect image
Real image

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MORE MCQ ON Physics

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