Q.

The energy of hydrogen atom in nth orbit is En, then the energy in nth orbit of singly ionized helium atom will be

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a

4En

b

En/4

c

2En

d

En/2

answer is A.

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Detailed Solution

We have En=−2π2mK2Z2e4n2h2. For helium Z = 2 hence requisite answer is 4En,
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Get ₹ 1 crore* worth scholarship for JEE / NEET / Foundation
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