One nm is equal to :

1 nm is equal to

Photosynthetic rate of red light (650 nm) is equal to:

The wave number which corresponds to electromagnetic radiations of 600 nm is equal to:

1 nano metre (1 nm) is equal to

Find the velocity of an electron so that its momentum is equal to that of a photon of wavelength 650 nm.

What is the velocity of an electron so that its momentum is equal to the momentum of a photon associated with radiation of wave length 650 nm?

Length of 1 nm is equal to