How many times the normal electrons of hydrogen atom revolve round the nucleus in on sec ?

Explanation

To determine how many times the normal electron of a hydrogen atom revolves around the nucleus in one second, we can follow these steps:

### Step 1: Understand the Formula
The number of revolutions made by an electron in one second can be calculated using the formula:

\[ \text{Number of revolutions} = \frac{\text{Velocity of electron}}{\text{Circumference of the orbit}} \]
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