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Physics

Physics
Rain drops acquire spherical shape due to

Viscosity
Surface tension
Friction
Elasticity

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Physics
The rice is cooked more quickly in a pressure cooker because

Water boils at a higher temperature under pressure.
It is covered.
Less quantity of water is used.
None of these

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Physics
Optical fibres are based on the phenomenon of

Dispersion
Total Internal Reflection
Interference
Diffraction

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Physics
The resistance of a conductor is inversely proportional to its:

Temperature
Length
Area of cross section
Resistivity

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Physics
Microphone is a device which transforms the

Current signal into sound signal
Sound signal into current signal
Sound signal into light signal
Light signal into sound signal

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Physics
What factors contribute to global winds?

Uneven warming of the earth by the sun
Coriolis Effect
Convection Cells
All of these

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MORE MCQ ON Physics

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