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Physics

Physics
In the absence of ozone layer, which rays will enter into atmosphere?

Ultraviolet
Visible
X-rays
Infrared

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Physics
What is the unit of the physical quantity Entropy?

Newton per kelvin
Watt per kelvin
Joule per kelvin
Pascal per kelvin

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Physics
A periscope works on the principle of

Refraction
Diffraction
Total internal reflection
Reflection

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Physics
Boyle's law relates to

Plasticity of Solids
Kinetic Theory of Gases
Elasticity of Solids
Viscosity of Liquids

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Physics
What is the SI unit of temperature?

Kelvin
Fahrenheit
Celsius
Joule

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Physics
The width of depletion layer of a P-N junction

Decreases with light doping
Is increased under reverse bias
Is independent of applied voltage
Increases with heavy doping

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MORE MCQ ON Physics

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