Welders wear special goggles or face masks with glass windows to protect eyes from electromagnetic radiations. Name the radiations and write the range of their frequencies.

Welders wear special glass goggles while working.Why?Explain.

Name the electromagnetic radiations used for eye surgery.

Identify the part of electromagnetic spectrum used in (a) radar and (b)eye surgery. Write their frequency range.

Write the order of frequency range and one use of each of the following electromagnetic radiations Microwaves.

Write the order of frequency range and one use of each of the following electromagnetic radiations Gamma rays.

Write the order of frequency range and one use of each of the following electromagnetic radiations Gamma rays.

Write the order of frequency range and one use of each of the following electromagnetic radiations Ultraviolet rays.

Given below is some famous number associated with electromagnetic radiations in different contexts in physics. State the part of the electromagnetic spectrum to which belongs. 1057 MHz (frequency of radiation arising from two close energy levels in hydrogen, known as Lamb shift).

Name the constituent radiation of electromagnetic spectrum which has its wavelength range between 390 nm and 700 nm.