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An electrons of a stationary hydrogen at...

An electrons of a stationary hydrogen aton passes form the fifth enegry level to the ground level. The velocity that the atom acquired as a result of photon emission will be
`(m` is the mass of the electron, `R`, Rydberg constanrt and `h`, Planck's constant)

A

` ( 25 m ) /( 24 hR)`

B

` ( 24 m ) /(25 hR ) `

C

` (24 hR ) /(25 m ) `

D

` (25 hR ) /(24 m ) `

Text Solution

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The correct Answer is:
C
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