Put the events in order to explain how radios work. Radio waves are converted to sound waves
Sound waves are changed into electrical
Radio waves are released by transmitter
by radios
signals by microphones.
towers.

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.