Which of the following would happen when a ray of light travels from one optical medium to another optical medium? (i) Light may be absorbed by the medium. (ii) Light may be returned by the second optical medium (iii) Light may pass through second medium with a change in the angle. *

Acertain sound is recorded by a microphone. the same microphone then detects a second sound, which is identical to the first one except that the amplitude of the pressure fluctuations is larger. in addition to the larger amplitude, what distinguishes the second sound from the first one? it is perceived as higher in pitch. it is perceived as louder. it has a higher frequency. it has a longer wavelength.