JEE Mains · Physics · STD 12 - 1. Electric charges and fields
In hydrogen like system the ratio of coulombian force and gravitational force between an electron and a proton is in the order of _______.
- A \(10^{39}\)
- B \(10^{19}\)
- C \(10^{29}\)
- D \(10^{36}\)
Answer & Solution
Correct Answer
(A) \(10^{39}\)
Step-by-step Solution
Detailed explanation
\(\mathrm{F}_{\mathrm{e}}=\frac{\mathrm{kQ}_1 \mathrm{Q}_2}{\mathrm{r}^2}=\frac{9 \times 10^9 \times 1.6 \times 10^{-19} \times 1.6 \times 10^{-19}}{\mathrm{r}^2}\)…
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