The value of Planck's constant is 6.63 10^ -34 J s . The velocity of light is 3.0 10^8 m s ^ -1 . Which value...

Question

The value of Planck's constant is 6.63 10^ -34 J s . The velocity of light is 3.0 10^8 m s ^ -1 . Which value is closest to the wavelength in nanometre of a quantum of light with frequency of 8 10^ 15 s ^ -1 ?

Accepted Answer

(C)

JEE Main Chemistry question

Solution