Which is correct statement with respect to Bohr's orbits

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With increase of 'n' value, the distance between two successive orbits decreases and energy increases.

With increase of 'n' value, the distance between two successive orbits increases and energy decreases.

With increase of 'n' value, the distance between two successive orbits decrease

With increase of 'n' value, the distance and energy between two successive orbits increase

answer is D.

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Detailed Solution

$E_{n} = \frac{- 13.6}{n^{2}} ev / atom$

$E_{1} = \frac{- 13.6}{1^{2}} = - 13.6 ev / atom$

$E_{2} = \frac{- 13.6}{2^{2}} = - 3.4 ev / atom$ $E_{3} = \frac{- 13.6}{3^{2}} = - 1.5 ev / atom$

$E_{n} \infty \frac{1}{n^{2}}$

“n” value increases energy $ϕ$ of successive orbits decreases.

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