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Physics

Physics
An object with a mass of 22 kg moving with a velocity of 5 m/s possesses a kinetic energy of :

2750 J
110 J
110 J
275 J

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Physics
The instrument used to measure the speed of the wind is

Chronometer
Dosimeter
Altimeter
Anemometer

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Physics
Rear view mirror of car is convex or concave?

Both A & B
Convex
Can't be determined
Concave

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Physics
Ultrasound devices operate with minimum frequency from

60 kHz
45 kHz
20kHz
35 kHz

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Physics
Positive feedback is used in

Amplifiers
Rectifiers
Oscillators
None of these

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Physics
An object which absorbs all colours and reflects none appears:

White
Black
Grey
Blue

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MORE MCQ ON Physics

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