Write Planck's equation .

According to Planck's equation, DeltaE=hv . The energy DeltaE corresponding to intense yellow line of sodium at 589 mm is

Explain how an electron can be considered to have a particle as well as a wave nature. Using Planck's equation, E=hv and Einstein's equation E=mc^(2) , deduce de Broglie relation for a photon.

State Planck's quantum theory.

Write importance of Planck's quantum theory.

The value of Planck's constant in SI unit is

The value of Planck's constant in SI unit is

The value of Planck's constant in SI unit is