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Q.

Which of the following expressions represents the spectrum of Balmer series (If n is the principal quantum number of higher energy level) in Hydrogen atom?

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a

v¯=R(n−1)(n+1)n2

b

v¯=R(n−2)(n+2)4n2

c

v¯=R(n−2)(n+2)n2

d

v¯=R(n−1)(n+1)4n2

answer is B.

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Detailed Solution

v¯=R122−1n2;v¯=R(n−2)(n+2)4n2

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