Name the radiation of the electromagnetic spectrum which is used for the following:
(i) Radar (ii) Eye surgery

Name the radiation of the electromagnetic spectrum which is used for the following:taking photographs of the sky during night and foggy conditions Give the frequency range .

Name the radiation of the electromagnetic spectrum which is used for the following: To photograph internal parts of human body

Which part of electromagnetic spectrum is used in operating a RADAR ?

(a) Identiy the part of the electromagnatic spectrum used in (i) radar and (ii) eye surgery. Write their frequency range. (b) Prove that the average energy density of the oscillating electric field is equal to that of the oscilating magnetic field.

Which part of electromagnetic spectrum is absorbed by ozone layer?

Name the electromagnetic radiations used for (a) water purification, and (b) eye surgery.