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Physics

Physics
The rate of flow of electric charge is measured in

Ampere
Coulomb
Ampere/coulomb
Ampere-coulomb

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

Droplets
Humidity
Smog
All of these

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Physics
The force of friction between two surfaces will increase if:

A layer of lubricant is kept between the two surfaces
The two surfaces are pressed harder
Irregularities on both the surfaces are removed
Air gap is created between the two surfaces

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Physics
The modulus of rigidity is the ratio of

Shearing stress to shearing strain
Volume stress to volume strain
Longitudinal stress to longitudinal strain
Tensile stress to tensile strain

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Physics
Green house effect is the heating up of the Earth's atmosphere which is due to

The ultraviolet rays
The infra-red rays
G-rays
X-rays

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Physics
Optical fiber works on the principle of

Scattering
Total internal reflection
Interference
Refraction

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MORE MCQ ON Physics

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