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MHT CET20243 May 2024Evening ShiftChemistryStructure of AtomActual

What is the wave number of lowest transition in Balmer series?

Options

  1. AR _ H ( 36 5 )
  2. BR _ H ( 5 36 )
  3. CR _ H ( 21 100 )
  4. DR _ H ( 100 21 )

Correct answer

B. R _ H ( 5 36 )

Step-by-step solution

The lowest transition in Balmer series is from n ₁=2 and n ₂=3 v = R _ H [ 1 n ₁ ^2 - 1 n ₂^2 ]= R _ H [ 1 2^2 - 1 3^2 ]= R _ H [ 5 36 ]

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