The wavelength of monochromatic light is `5000 overset (@)(A)` in air . What will be its wavenumber in a medium of refractive index 1.5 ?

The wavelength of a beam of light in glass is 4400 overset (@)(A) What is its wavelength in air , if refractive index of glass is 1.5 ?

Light of a certain wavelength has a wave number barv in vacum. Its wave number in a medium of refractive index n is

A glass slab of thickness 8 cm contains the same number of waves as 10 cm of water, when the same monochromatic light transverses both. If the refractive index of water is 4/3, then the refractive index of glass is

Red light of wavelength 6400 overset@A in air, has a wavelength of 4000 overset@A in glass. If the wavelength of violet light in air is 4400 overset@A , what is the wavelength in glass. (Assume R.I. for violet and red colour are same)

What is the speed of light in a transparent medium having absolute refractive index 1.25?

Light of wavelength 5000 overset (@)(A) falls on a plane reflecting surface. What are the wavelength and frequency of the reflected light ? For what angle of incidence is the reflected ray normal to the incident ray ?

A monochromatic light of wavelength 4800 A travelling in air is incident on a glass slab of refractive index 1.5, its wavelenght in glass slab is

A monochromatic light of lambda = 5000 overset (@)(A) is incident on two slits separated by a distance of 5 xx 10^-4 m . If a thin glass of thickness 1.5 x 10^-6 m and refractive index 1.5 placed between one of the slits and screen . The phase difference introduced at the position of central maxima is

A beam of menochromatic blue light of wavelength 4200 Ål in air travels in water of refractive index 4/3. its wavelength in water will be