A popular kitchen appliance produces electromagnetic radiation with a frequency of 2450 MHz. With reference to Figure 6.4, answer the following:
(a) Estimate the wavelength of this radiation.
(b) Would the radiation produced by the appliance be visible to the human eye?
(c) If the radiation is not visible, do photons of this radiation have more or less energy than photons of visible light?
(d) Propose the identity of the kitchen appliance.

Transcribed Image Text:

Wavelength (m) 10 10 107 10-5 1 103 10-1 10 Gammal X-rays violet rays Ultra- Infrared Microwaves Radio frequency 1020 1018 1016111014 1012 1010 108 106 1ơ Frequency (s) Visible region 400 500 600 700 750 nm