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Fluorescence is the property when X-ray falls on a material it emits __________

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Fluorescence is the property when X-ray falls on a material it emits __________

(a) Infrared Waves

(b) Visible Light

(c) Gamma rays

(d) UV light

This question was addressed to me at a job interview.

The doubt is from Properties of X-Rays topic in chapter X-Rays and Compton Effect of Engineering Physics II

1 Answer

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Best answer
Right choice is (b) Visible Light

Easy explanation: When X-ray is incident on a specific material, it emits visible light. It happens because it excites the electron to a higher state which when jumps back to a lower state, releases photons. This property of X-ray is known as Fluorescence.

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