Light of wavelength `6,000 overset @A` is incident on a thin film of refractive index 1.5 ,such that angle of refraction into the film in `60^@`.Calculate the smallest thickness of the film,which will make it appear dark by reflection.

A light of wavelength 6,000 overset @A in air, enters a medium with refractive index 1.5.What will be frequency and wavelength of light in the medium?

Green light of wavelegth 5,460 overset @A is incident on an air-glass interface.If the refractive index of glass is 1.5.the wavelength of light in glass would be

Using light of wavelength 6,000 overset@A ,it is found that in a thin film of air,7 fringes occur between two points,deduce the difference of the film thickness between these points.

Prism of refractive index 1.53 is placed in water of refractive index 1.33.If the angle of the prism is 60^@ ,calculate the angle of minimum deviation in water.

A ray of light is incident on the surface of a glass plate of refractive index 1.536 at the polarising angle.Calculate the angle of refraction.

Light of wavelength 5,000 overset @A is incident on a double slit.If the overall separation of 10 fringes on a screen 200 cm away is 1.0 cm,find the distance between the two slits.

In Young's double slit experiment ,the central bright fringe produced by ligth of wavelength 5,600 overset@A shifts to the position of 5th brigth fringe,when thin transparent film of refractive index 1.28 is introduced in the path of light from one of two slits.Find the thickness of te film.

A ray of light suffers minimum deviation,while passing through a prism of refractive index 1.5 and refracting angle 60^@ ,calculate the angle of deviation and angle fo incidence.

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