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Grade upto college level Modern Physics

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

(a) 4En

(b) En/4

(c) 2En

(d) En/2

Profile image of Amit Saxena
12 Years agoGrade upto college level
Answers icon

1 Answer

Profile image of Navjyot Kalra
12 Years ago

(a)

We have

 

For helium

Z = 2. Hence requisite answer is 4En

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