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`        Calculate the radius of 1st 2nd 3rd orbits of hydrogen and helium atom`
3 months ago

```							Radius of bohr orbit i=0.529n^2/zas for hydrogen z=11st orbit=0.5292nd orbit n=2 and z=1 so =2.1163rd orbit n=3 and z=1 so=4.775
```
3 months ago
```							Bohr's Radius is given by rn = 0.529*n^2 /z Angestrum n = no. of energy level Z=1 Radius of irst energy level = n=1 r1 = 0.529* 1^2 /1 = 0.529 ARaius of second energy level = n=2 r2 = 0.529 * 4/1 = 2.116 A Radius of third energy level = n=3 r3 = 0.529* 9/1 = 4.761 A
```
3 months ago
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