. Name two electromagnetic waves of wavelength smaller than that of violet light. State one use of each

Ultraviolet radiations and X-rays are the electromagnetic waves of wavelength smaller than that of violet light.

Wavelength of ultraviolet radiations – 100 Å to 4000 Å

Wavelength of X-rays – 0.1 Å to 100 Å

Ultraviolet radiations are used for detecting purity of gems, eggs, ghee etc.

X-rays are used for detecting fracture in bones, teeth, etc

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