A light of wavelength 6500 A in air is passed through water of refractive index 1.3. The percentage change in wavelength will be nearly

Light enters from air into a medium of refractive index 1.5. Percentage change in its wavelength 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

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:

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) . What is the its wavelength in water ?

A red colour in air has wavelength 760 nm when light passes through water of refractive index (n=4/3) , wavelength becomes 570 nm. (wavelength of yellow colour in air is 570 nm). Then colour of red light in water is

A red colour in air has wavelength 760 nm when light passes through water of refractive index (n=4/3) , wavelength becomes 570 nm. (wavelength of yellow colour in air is 570 nm). Then colour of red light in water is

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 ?