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Physics

Physics
Refractive Index of glass with respect to water is

43864
44052
44082
43924

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Physics
The oil in the wick of an oil lamp rises up due to:

Capillary action
Pressure difference
Gravitational force
Low viscosity of oil

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Physics
Safety fuse wire used in domestic electrical appliances is made of metal of low

Melting point
Resistance
Conductance
Specific gravity

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Physics
Intensity of sound at a point is ____ its distance from the source.

inversely proportional to square of
directly proportional to square of
directly proportional to
inversely proportional to

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Physics
During hot weather, the fan produces a feeling of comfort. This is because

Fan supplies cool air
Our perspiration eva-porates rapidly
Fan cools the air
Conductivity of air increases

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Physics
If a barometric reading is falling, this usually indicates what

None
Decreasing pressure
Increasing pressure
No pressure

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