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Grade: 10 

                        
Please help me with the question . I m in urgent need for it
2 years ago

Answers : (1)

Shivangi Khatter
askIITians Faculty
468 Points 
							electron is moving from n = 4 to n = 1 state
no. of spectral lines = 4 * 3 / 2 = 6

answer is C
2 years ago
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