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Physics

Physics
Ultrasound devices operate with minimum frequency from

60 kHz
45 kHz
20kHz
35 kHz

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Physics
Electric Motor converts ________ energy to mechanical energy

Chemical
Electrical
Sound
Mechanical

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Physics
The energy emitted by the Sun is due to

Chemical reaction
Nuclear fission
Nuclear fusion
All of these

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Physics
If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with

Varying acceleration
Constant acceleration
Constant speed
Constant velocity

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Physics
Velocitation is the tendency to

None of these
Both A & B
Be traveling at a speed that is slower than perceived
Be traveling at a speed that is faster than perceived

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Physics
Which one of the following is applicable to collision-coalescence process of precipitation?

Clouds which extend beyond the freezing level
All types of clouds
Clouds which do not extend beyond the freezing level
Cirrocumulus cloud

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