In air, the speed of sound is more as compared to speed of light.
Fill in the blanks.
(a) A flautist can place fingers on the proper holes and produce vibrations of ………… .
(b) Sound is heard more clearly ………… as compared to air.
(c) In drums, ………… vibrates to produce sound.
(d) The speed of light is ………… times that of sound.
(e) When temperature increases the speed of sound ………… .
If the speed of light in air is 3 ×108 m/s and speed of light in water is reduced by a factor of 1.3 when compared with that of the speed of light in air. Find out the speed of light in water?