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Physics

Physics
1 WH =

36000 joules
36 joules
3600 joules
360 joules

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Physics
In sunlight a rose appears red. In green light, the same rose appears

Green
Red
Black
Yellow

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Physics
Eclipses occur due to which optical phenomena?

Rectilinear propagation
Refraction
Reflection
Diffraction

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Physics
Which of the following causes adiabatic temperature changes in atmosphere?

Expansion and compression of the air
Latent heat of condensation
Partial absorption of solar radiation by the atmosphere
Deflection and advection

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Physics
A decibel is

A musical instrument
The wavelength of noise
A musical note
A measure of sound level

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Physics
The metal whose electrical conductivity is more, is

Silver
Aluminium
Lead
Copper

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