What is the electromagnetic spectrum?

What is electromagnetic spectrum? To what uses it is put to?

What is electromagnetic spectrum? Give its four uses.

Which physical quantity if any has the same value for waves belonging to the different parts of the electromagnetic spectrum?

What is an electromagnet?

Identify the part of the electromagnetic spectrum, which is adjacent to the low frequency end of the electromagnetic spectrum.

The terminology of different parts of the electromagnetic spectrum is given in the text. Use the formula E = hv (for energy of a quantum of radiation: photon) and obtain the photon energy in units of eV for different parts of the electromagnetic spectrum. In what way are the different scales of photon energies that you obtain related to the sources of electromagnetic radiation?

Identify the part of the electromagnetic spectrum to which the following wavelengths belong 1mm.

Which part of the electromagnetic spectrum has the largest penerating power?