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Physics

Physics
Light from Sun reaches Earth in approximately

10 minutes
12 minutes
3 minutes
8 minutes

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Physics
________ states that internal energy is a function of state and the increase in internal energy is equal to the sum of the heat supplied to system and work done by the system.

First law of thermodynamics
Hooke's Law
The coulomb's law
Faraday's Law

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Physics
Which is a correct way to measure wavelength?

Nearest trough to peak
Nearest peak to nearest trough
None of these
Nearest peak to peak

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Physics
Energy of Ultraviolet rays is great than

Cosmic rays
X-rays
Gamma rays
Infrared rays

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Physics
The mercury and sodium street lamps light up because of :

Atomic emission
Electron emission
Atomic absorption
Electron absorption

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Physics
Damp clothes are dried in spin dryers by the action of

Centripetal forces
Central forces
Non central forces
Centrifugal forces

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MORE MCQ ON Physics

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