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

Albert Einstein
Werner Heisenberg
Ernest Rutherford
Max Planck

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Physics
Two identical solid pieces, one of gold and other of silver, when immersed completely in water exhibit equal weights. When weighed in air (given that density of gold is greater than that of silver)

Weighing will depend on their masses
Both silver and gold pieces weigh equal
The silver piece will weigh more
The gold piece will weigh more

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