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Physics

Physics
Amount of water vapour in the atmosphere is measured in terms of

All of these
Humidity
Droplets
Smog

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Physics
Which of the following is the unit of perceived loudness of sound ?

Phon
Decibel
Hertz
Sone

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Physics
Burns caused by steam are much severe than those caused by boiling water because

Steam has latent heat
Temperature of steam is higher
Steam is gas and engulfs the body quickly
Steam pierces through the pores of body quickly

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Physics
A soap bubble shows colours when illuminated with white light. This is due to

Interference
Reflection
Polarisation
Diffraction

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Physics
If both the mass and the velocity of a body is increased to twice of their magnitude, the kinetic energy will increase by

8 times
2 times
4 times
16 times

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Physics
A NOT gate can be implemented by:

Two diodes
A single diode
A single resistor
A single transistor

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MORE MCQ ON Physics

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