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

What is electromagnetic spectrum? Which part of the electromagnetic spectrum is used in operating a radar?

(i) Why welder wears a special glass goggles during welding with arc? (ii) Which part of the electromagnetic spectrum is used in operating radar and why?

Which part of the Electromagnetic spetrum spectrum is used in operating a RADAR and why?

Which part of electromagnetic spectrum is used in radar systems ?

For the study of crystal structure, which part of electromagnetic spectrum is used?

For the study of crystal structure, which part of electromagnetic spectrum is used?

Which part of electromagnetic spectrum is produced in nuclear reactions?

Which part of electromagnetic spectrum is absorbed by ozone layer?