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

Albert Einstein
Ernest Rutherford
Max Planck
Werner Heisenberg

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Physics
Which of the following is not a property of heavy water ?

Density of heavy water is higher than that of ordinary water
Boiling point of heavy water is lower than that or ordinary water
Freezing point of heavy water is higher than that of ordinary water
It produces corrosion

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