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Physics

Physics
In uniform circular motion, the linear velocity is perpendicular to

Momentum
Radius
Radius vector
Force

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Physics
Atmospheric pressure exerted on earth is due to

Rotation of earth
Revolution of earth
Uneven heating of earth
Gravitational pull

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Physics
Heavy water is used in nuclear reactor to

Absorb neutron
Increase speed of neutron
Slow down neutron
Increase temperature

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

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

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Physics
In superconductors, the energy gap is due to

Phonon-phonon interaction
Electron-photon intercation
Electron-phonon interaction
Electron-electron interaction

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Physics
Which planet has the lowest density?

Neptune
Jupiter
Earth
Saturn

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MORE MCQ ON Physics

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