A) \[1.8\times {{10}^{-42}}N\]
B) \[1.8\times {{10}^{-29}}N\]
C) \[1.8\times {{10}^{-39}}N\]
D) \[1.86\times {{10}^{-34}}N\]
Correct Answer: D
Solution :
The gravitational force between the two protons is given by, \[F=G\frac{{{m}_{1}}{{m}_{2}}}{{{r}^{2}}}\] \[G=6.67\times {{10}^{-11}}N{{m}^{2}}k{{g}^{-2}}\] \[{{m}_{1}}={{m}_{2}}=1.67\times {{10}^{-2}}kg\] \[r={{10}^{-15}}m\] \[F=6.67\times {{10}^{-11}}\times \frac{1.67\times {{10}^{-27}}\times 1.67\times {{10}^{-27}}}{{{({{10}^{-15}})}^{2}}}N\] \[=1.86\times {{10}^{-34}}N\]
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