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Spectrum — Physics STD 10 — Question

ICSE BoardEnglish MediumSTD 10PhysicsSpectrum2 Marks
Question
Name three radiations and their wavelength range which are invisible and beyond the violet end of the visible spectrum.
✓

Answer

The three radiations beyond the violet end of the visible spectrum are:

1) Ultraviolet radiations - 100 Å to 4000 Å

2) X-rays - 0.1 Å to 100 Å

3) Gamma rays - <0.1 Å

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