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Physics

Physics
Speed in a given direction is called

Displacement
Velocity
Torque
Acceleration

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Physics
A star appears twinkling in the sky because of

Diffraction of light by atmosphere
Scattering of light by atmosphere
Refraction of light by atmosphere
Reflection of light by atmosphere

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Physics
Refractive Index of glass with respect to water is

43864
43924
44052
44082

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Physics
The device used to convert solar energy into electricity is

Electrochemical cell
Photovoltaic cell
Daniell cell
Galvanic cell

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Physics
Which of the following features of a tunnel diode is its drawback

Very wide temperature range of operations
Extremely high frequency response
Instability due to negative resistance
Very low power consumptions

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Physics
Vehicles use ________ to see the objects coming from behind.

Convex lens
Convex mirror
Concave lens
Concave mirror

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MORE MCQ ON Physics

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