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Energy of an electron is given by E = -2...

Energy of an electron is given by `E = -2.178 xx 10^(-18)` j` (Z^2/n^2)`. Wavelength of light required of excited and electron in a hydrogen atom from level 1 to level 2 will be
`(h = 6.62 xx 10^(-34)` js and `c = 3 xx 10^8 ms^(-1)`.

A

`8.500 xx 10^(-7) m`

B

`2.816 xx 10^(-7) m`

C

`1.214 xx 10^(-7) m`

D

`6.500 xx 10^(-7) m`

Text Solution

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The correct Answer is:
C
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