Discuss the experiment to determine the wavelenght of monochromatic light using diffraction grating.
Experiment to determine the wavelenght of monochromatic light:

Discuss the experiment to determine the wavelength of different colours using diffraction grating.

Discuss the experiment determine the wavelenght of different colours using diffraction grating. Determination of wavelenght of diferent colours:

A beam of monochromatic light is refracted from vacuum into a medium of refractive index 1.5. The wavelenght of refracted light will be

Discuss the Millikan's oil drop experiment to determine the charge of an electron.

A diffraction grating consisting of 4000 slits per centimeter is illuminated with a monochromatic light that produces the second order diffraction at an angle of 30 ^(@) . What is the wavelenght of the light used?