Physics
Who is known as the 'father of quantum theory'?

Ernest Rutherford
Albert Einstein
Max Planck
Werner Heisenberg

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Physics
We always see the same face of the moon, because

It rotates at the same speed as the earth around the sun
It revolves on its axis in adirection opposite to that ofthe earth
It is smaller than the earth
It takes equal time for revolution around the earth and rotation on its own axis

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