What sequence shows electromagnetic waves arranged from shorter to longer wavelengths ? a. visible light , infrared radiation, microwaves, and ultra violet rays b. infrared radiation, visible light, ultra violet radiation, and microwaves c. microwaves, infrared radiation, visible light , and ultra violet radiation d. ultra violet radiation, visible light , infrared radiation, and microwaves

Which statement best describes the superposition principle? a.) if two in-phase waves arrive simultaneously at a point, their amplitudes add up b.) if two out-of-phase waves arrive simultaneously at a point, their amplitudes add up c.) if two in-phase waves arrive at a point one after another, their amplitudes add up d.) if two out-of-phase waves arrive at a point one after another, their amplitudes adds up