Physics
Mirage is due to:

Depletion of ozone layer in the atmosphere
Unequal heating of different parts of the atmosphere
Magnetic disturbances in the atmosphere
Equal heating of different parts of the atmosphere

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Physics
Acceleration is

Inversely proportional to mass
Directly proportional to mass
Inversely proportional to force
Directly proportional to force

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Physics
Which of the following occurred first ?

Guglielmo Marconi sent out the first wireless signals
Wright Brothers successfully flew an aircraft
Max Planck unveiled the Quantum Theory
Albert Einstein propounded the General Theory of Relativity

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