When light is refracted into a medium : (1) Its wavelength and frequency both increases (2) Its wavelength increases but frequency remains unchanged (3) Its wavelength decreases but frequency remains unchanged (4) Its wavelength and frequency both decrease
When light is refracted into a medium : (1) Its wavelength and frequency both increases (2) Its wavelength increases but frequency remains unchanged (3) Its wavelength decreases but frequency remains unchanged (4) Its wavelength and frequency both decrease