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Physics

Physics
Soap bubble attains spherical shape due to ________

Viscosity
Inertia
Surface tension
Pressure

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Physics
Acceptable noise level for human ear

> 85 db
< 85 db
= 85 db
None of these

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Physics
Rainbow is seen after rain because of hanging molecules of water which act as

Slabs
Lenses
Mirrors
Prisms

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Physics
The reverse effect of X–ray emission is

Zeeman effect
Compton effect
Raman effect
Photoelectric

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Physics
Which of the following is not reversible?

Seebeck effect
Thomson effect
Peltier effect
Joule effect

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Physics
Air pressure is usually highest when the air is

Warm and dry
Cool and dry
Warm and moist
Cool and moist

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