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Physics

Physics
When a body is accelerated, then the velocity will be also

Constant
Decrease
None of these
Increase

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Physics
Red light is used for signals because it has

High intensity
Long wavelength
Low refraction in the medium
High frequency

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Physics
Rotameter is used to measure

Density of fluids
Vortex flow
Flow of fluids
Velocity of fluid in pipes

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Physics
Which of the following has got more heat capacity ?

Water
Iron piece
Gold piece
Benzene

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Physics
A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will

Rise
Remain the same
First rise and then fall
Fall

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Physics
If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound?

0.044444444444444
0.16736111111111
0.052777777777778
0.084027777777778

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