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What will be the longest wavelength line in Balmer series of spectrum?

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What will be the longest wavelength line in Balmer series of spectrum? 

(a) 546 nm 

(b) 656 nm 

(c) 566 nm 

(d) 556nm

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1 Answer

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Best answer

The correct option is : (b) 656 nm 

Explanation:

The longest wavelength means the lowest energy. We know that relation for wavelength

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