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Physics

Physics
Ultrasound devices operate with minimum frequency from

60 kHz
20kHz
35 kHz
45 kHz

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Physics
Magnetic field lines about a current-carrying wire

None of these
Extend radially from the wire
Circle the wire in closed loops
Both of these

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Physics
Which of the following criterion is used for any metal to be used as a cooking material ?

Less thermal conductivity
Less electrical conductivity
More thermal conductivity
More specific heat

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Physics
A liquid disturbed by stirring comes to rest due to

Density
Viscosity
Centripetal force
Surface tension

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Physics
Bats can sense obstacles because they produce

Infrasonic sound waves
Micro sound waves
Ultrasonic sound waves
Supersonic sound waves

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Physics
The magnitude of buoyant force depends on the ________ of the fluid.

Temperature
Mass
Density
Volume

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MORE MCQ ON Physics

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