How are frequency and wavelength related to each other ?

How time , frequency and wavelength are related ?

An electron and alpha particle have the same de-Broglie wavelength associated with them. How are their kinetic energies related to each other ?

An electron and alpha particle have the same de-Broglie wavelength associated with them. How are their kinetic energies related to each other ?

How are standing crop and biomass related to each other?

How are standing crop and biomass related to each other?

How are velocity, frequency and wavelength of light radiation related?