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Name three radiations and their wavelength range which are invisible and beyond the violet end of the visible spectrum.
Name three radiations and their wavelength range which are invisible and beyond the violet end of the visible spectrum.
Class 10 | ICSE | Physics | Selina | Spectrum
Name three radiations and their wavelength range which are invisible and beyond the violet end of the visible spectrum.

Beyond the violet end of the visible spectrum, there are three rays that are unseen.

(i) Gamma rays

(ii) X-rays

(iii) Ultraviolet rays

There wavelengths are:

(i) Gamma rays – less than 0.01 nm

(ii) X-rays – 0.01 to 10 nm

(iii) Ultraviolet rays – 10 to 400 nm

i

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