The transition from the state n = 3 to n = 1 in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition,
A
2→1
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B
3→2
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C
4→2
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D
4→3
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Solution
The correct option is D4→3 n1=1,n2=2,3,4……Ultravioletn1=2,n2=3,4,5……Visiblen1=3,n2=4,5……Infraredn1=4,n2=5,6……Infraredn1=5,n2=6,7……Infrared transition 4→3 Infrared