The refractive indices of silicate fint glass for wavelength 400 nm and 700 nm are 1.66 aned 1.61 respectively. Find the minimum angles of deviation of an equailateral prism made of this glass for light of wavelength 400 nm and 700 nm.

The wavelength of a certain light in air and in glass are 6400 Å and 400 Å , respectively, find the Brewster angle for the glass.

In YDSE how many maxima can be obtained on the screen if wavelength of light used is 200nm and d = 700 nm.

Light has a wavelength 600 nm in free space. it passes into the glass , which has an index of refraction of 1.50 what is the frequency of the light inside the glass?

The index of refraction of heavy flint glass is 1.68 at 434 nm and 1.65 at 671nm . Calculate the difference in the angle of deviation of blue (434 nm) and red (671 nm) light incident at 65^@ on one side of a heavy flint glass prism with apex angle 60^@ .

A thin film having refractive index mu" = 1.5" has air on both sides. It is illuminated by white light falling normally on it. Analysis of the reflected light shows that the wavelengths 450 nm and 540 nm are the only missing wavelengths in the visible portion of the spectrum. Assume that visible range is 400 nm to 780 nm. (a) Find thickness of the film. (b) Which wavelengths are brightest in the interference pattern of the reflected light?

A light beam of intensity 3.01xx10^(-3) W m ^(-2) is incident normally on the square -sapped metal surface of side 1 cm and with work function 2 eV . The intensity of light is equal distributed among the three constituents' wavelength , 400 nm, 550 nm and 650 nm. Each photon emits one electron without any loss in the energy. The energy incident by the light of wavelength 400 nm in one second is