The wavelength of blue hight is 480 nm. Calculate the frequency and wave number of this light.

The wavelength of blue light is 315 nm. calculate the frequency of this light.

Yellow light emitted from a sodium lamp has a wavelength of 480 nm. Calculate the wavenumber of this light.

Yellow light emitted from a sodium lamp has a wavelength of 480 nm. Calculate the frequency of this light.

The wavelength of a spectral line of cesium is 460 nm. calculate the frequency of the line.

The wavelength of X-rays is 1 overset@A .Calculate its frequency.

The wavelength of a beam of light is 25 micrometer. What is its frequency ?

A hot metal emits photon of light with energy 3.0 (10*-19) J. Calculate the frequency and wavelength of the photon ?

Calculate the frequency and wavelength of photon with energy 5 ( 10*-8)J.

Calculate the frequency of the microwaves with wavelength 4 (10*7)

There are two sources of light, each emitting with a power of 100 W. One emits X-rays of wavelength 1nm and the other visible light of 500 nm. Find the ratio of number of photons of X-rays to the photons of visible light of the given wavelength?