The waves that have maximum penetrating power to treat tumours are:
The electromagnetic rays used in radiotherapy to destroy cancer cells are:
The velocity of light in a diamond is:
(whereas the refractive index of a diamond with respect to vacuum is 2.5)
The group containing only electromagnetic waves is:
The list that shows electromagnetic waves in order of increasing wavelength is:
The type of electromagnetic wave used in security scanners at night is:
A narrow beam of white light passes from air into the glass and is refracted. The wave characteristic remains unchanged in its:
The type of waves that are used in the television remote controllers:
The colour that is least deviated by a prism:
The optical phenomenon in which the splitting of white light into seven distinct colours occur is called: