Assertion A Hydrogen atom does not emit X rays Reason R Hydrogen atom has a single electron ........

General Science (Easy) Physics

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Assertion (A) : Hydrogen atom does not emit X-rays.

Reason (R) : Hydrogen atom has a single electron.

Both A and R are individually true and R is the correct explanation of A

Both A and R are individually true but R is not a correct explanation of A

A is true but R is false

A is false but R is true

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Explanation:

Both A and R are individually true but R is not a correct explanation of A

-A hydrogen atom has one proton and one electron. But hydrogen is also the least energetic element. Even the most energetic line hydrogen emits (when an electron drops down from the second shell to the first) has only enough energy to be an ultraviolet photon. So hydrogen atoms do not emit X rays.