The ratio of the energy of a photon of `200Å` wavelength radiation to that of `400Å` radiation is :

The ratio of the energy of a photon of 200 Å wavelengths radiation to that of 4000Å radiation is

The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000Å radiation is

The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000Å radiation is

Find the ratio of energy of a photon of 2000 Å wavelength radiation to that of 4000 Å radiation.

The ratio of energy of a photon of 2000Å wavelengt radiation to that 4000Å radiation is

Find the ratio of energy of a photon of 2000 A^@ wavelength radiation to that of 4000 A^@ radiation.

Find the ratio ofenergy of a photon of 2000Å wavelength radiation to that of 400Å wavelength radiation to that of 4 000Å radiation .

The ratio of the energy of a photon of 2000 overset@A wavelength radiation to that of 4000 overset@A radiation is:

What is the energy of a photon of wavelength 6000Å