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Which radiations will be most effective for the emission of electron from a metallic surface?

Option: 1

Microwaves


Option: 2

X rays


Option: 3

Ultraviolet

 


Option: 4

Infrared


Answers (1)

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Option A) Microwaves are a form of electromagnetic radiation. They are waves of electrical and magnetic energy moving together through space.

Option B) X-rays are a form of electromagnetic radiation similar to visible light. Medical x rays are used to generate images of tissues and structures inside a body.

Option C) Ultraviolet radiation is a form of non-ionizing radiation that is emitted by the sun and artificial sources such as tanning beds.

Option D) Infrared waves or light are the part of the electromagnetic spectrum. The fire and sun are the most prominent infrared radiation examples.

Therefore, the correct answer is C) Ultraviolet

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Gaurav

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