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Physics

Physics
In beta decay what is emitted

All of these
Neutron
Electron
Proton

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Physics
Noise is measured in

Decibel
Watt
REM
Centigrade

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Physics
A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat?

Conduction, convection and radiation
Convection and radiation only
Conduction and convection only
Conduction and radiation only

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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
Which of the following never occurs singly in nature?

Inertia
Momentum
Velocity
Force

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Physics
Which phenomena shows the particle nature of light?

Polarisation
Interference
Diffraction
Photoelectric effect

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MORE MCQ ON Physics

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