Question

Calculate the energy of the orange light emitted, per photon, by a neon sign with a frequency of 4. 89 × 1014 hz.

Answer 1

From above we know one photon of orange light has 3.3 x 10-19 J. (3.3 x 10-19.

J. photon.

) (6.02 x 1023. photon.

mole. ) = 2.0 x 105.

J. mole.

Calculate the energy of a photon of light with a wavelength of 425 nm. λ . υ = c ;

υ = c.

λ ;