A beam of monochromatic light of wavelength 6000 Å in air enters water of refractive index `""_(a)n_(w)=(4)/(3)`. What is its wavelength in water ?

A beam of monochromatic blue light of wavelength 4200 Å in air , travels in water of refractive index (4)/(3) . What is the its wavelength in water ?

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

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

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

A beam of monochromatic blue light of wavelength 4200 Å in air travels in water of refractive index 4/3. Its wavelength in water will be:

Light of wavelength 6000 Å in air enters a medium of refractive index 1.5. What will be its wavelength in the medium ?

A beam o monochromatic light of wavelength lambda is reflected from air into water to refractive index 4/3. The wavelength of light beam inside water will be

A monochromatic beam of light of wavelength 6000 A in vacuum enters a medium of refractive index 1.5 . In the medium its wavelength is…., its frequency is…..