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IF the longest wavelength in the ult...

IF the longest wavelength in the ultraviolet region of hydrogen spectrum is ` lamda _(0)` then the shorest wavelength in its infrared region is

A

`(46) /( 7) lamda _(0) `

B

`(20 )/( 3) lamda _(0 ) `

C

`(36 ) /( 5) lamda _(0) `

D

`(27 ) /(4) lamda_(0) `

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