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Physics

Physics
One bar is equal to

104 Pa
106 Pa
103 Pa
105 Pa

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Physics
The unit of measurement of noise is

Decibel
Amplifier
Hertz
Acoustics

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Physics
Find the power of a convex lens if the image formed is at a distance of 16 cm from the lens when the object is placed on the other side of the lens at 20 cm from the optical centre?

11.25 diopters
3.75 diopters
-11.25 diopters
-3.75 diopters

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Physics
1 m/s equals ________ km/hr

18/5
43967
43969
16/5

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Physics
Out of the following, which is not emitted by radioactive substance?

Electromagnetic radiations
Alpha particles
Neutrons
Electrons

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Physics
Brightness of bulb depends on voltage or current?

Current
None
Both A & B
Voltage

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MORE MCQ ON Physics

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