Physics
Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation?

Diffraction
Scattering
Polarization
Interference

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Physics
The bats can fly in the dark because

They generate flashes of light
They generate ultrasonic sound waves
They can see the objects in darkness
They have weak legs and are likely to be attacked by predators

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Physics
Kinetic energy depends on

The velocity or speed of the moving body.
The mass of the moving body
Both mass and velocity of the moving body
The pressure of the moving body

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