Apparent wavelength is 670.7nm and the original wavelength is 670nm. Find the relative speed of planet

The index of refraction of flised quartz is 1.472 for light of wavelength 400 nm and is 1.452 for light of wavelength 760 nm. Find the speeds of light of these wavelengths in fused quartz.

An atom absorbs a photon of wavelength 500nm and emits another photon of wavelength 700nm. Find the net energy absorbed by the atom in the process.

A source emits 12.0 J of lightof wavelength 620 nm and 8.0 J of light of wavelength 580 nm per second. The relative luminosilty at 620 is 25% and that at 580 nm is 80%. Find a the total radiant flux, b. the total luminous flux and c. and luminous efficiency.

During photosynthesis, chlorophyll absorbs light of wavelength 440 nm and emits light of wavelength 670 nm. What is the energy available for photosynthesis from the absorption-emission of a mole of photons?

The red shift of radiation froma distance nebula consits of light known to hace a wavelength of 434 nm. In the laboratory, this wavelength appears to be 6562 Å. What is the speed of the nebulal in the line of sight relative to the earth ? Is it approching or receding ?

In a photoelectric experiment using a sodium surface, you find a stopping potential of 1.85 V for a wavelength of 300 nm and a stopping potential of 0.820 V for a wavelength of 400 nm. From these data find (a) a value for the Planck constant, (b) the work function Phi for sodium, and (c) the cutoff wavelength lambda_(0) for sodium.

If the scattering intensity of a liquid is 8 units at a wavelentth of 500 nm, then the scatering insensity at a wavelength of 400 nm will be approximately

Light of wavelength 200 nm incident on a metal surface of threshold wavelength 400 nm kinetic energy of fastest photoelectron will be