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Physics

Physics
For which Diode is used ?

Amplification
Purification
Oscillation
Modulation

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Physics
Addition of suitable impurities into semiconductor, is called

Mixing
Diluting
Doping
Forming

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Physics
Solids which conduct electricity at higher temperature but not at lower temperature are called

Insulator
Super-conductor
Semi-conductor
Metallic-conductor

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Physics
Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen?

The lighter mass will reach greater height
Both will reach the same height
Any of them may reach greater height
The heavier mass will reach greater height

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Physics
Pieces of camphor placed on water move about rapidly. This is because of

Diffusion
Surface tension
Viscosity
Capillarity

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Physics
The modulus of rigidity is the ratio of

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

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