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What is the ratio of radii of 3^"rd" and...

What is the ratio of radii of `3^"rd"` and `2^"nd"` orbit of hydrogen atom ?

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To find the ratio of the radii of the 3rd and 2nd orbit of a hydrogen atom, we can use the formula derived from Bohr's atomic model. Here’s the step-by-step solution: ### Step 1: Understand the formula for the radius of the nth orbit According to Bohr's model, the radius of the nth orbit (rn) in a hydrogen atom is given by the formula: \[ r_n = a_0 n^2 \] where \( a_0 \) is the Bohr radius and \( n \) is the principal quantum number. ...
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