Home › UP Board Class 12 › physics › Electromagnetic Waves › Which of the following EM waves has the shortest…
Which of the following EM waves has the shortest wavelength?
ARadio waves, used in FM and mobile telephony bands
BGamma rays, emitted by radioactive nuclei like cobalt
CMicrowaves, used in the kitchen oven and radar
DVisible light, in the band detected by the human eye
Answer & Solution
Correct answer: B. Gamma rays, emitted by radioactive nuclei like cobalt
Gamma rays occupy the shortest-wavelength, highest-frequency end of the EM spectrum.