Q.

The wavelength of an electron in the first orbit of hydrogen atom is λ then circumference of the fifth orbit is

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a

25 λ

b

5 λ

c

16 λ

d

4 λ

answer is A.

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Detailed Solution

Circumference of 5th orbit =  nλ=55λ;
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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Best Books for NEET
How to Join IIT after 10th
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