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Find the numerical value fo De Broglie w...

Find the numerical value fo De Broglie wavelength of an electron in the `1^(st)` orbit of hydrogen atom assuming Bohr's atomic model. You can use statndard values of the constants. Leave your answer in terms of `pi`.

A

`1.058pi`

B

`2.223pi`

C

`2.116pi`

D

none of these

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