Which of the following radiations has the least wavelength
λY rays < λX− rays < λα − rays < λβ − rays
(a) Arrange the following radiations in the order of their increasing wavelength :
X rays, infrared rays, radio waves, gamma rays, and microwaves.
(b) Name the radiation which is used for satellite communication.
Of the following radiation with (i)Maximum wavelength out of UV, Radiowaves, x-rays, IR (ii) Lowest frequency out of IR,wavelength out of UV, Radiowaves, x-rays, IR (ii) Lowest frequency out of IR, ϒ-rays, cosmic rays and microwaves