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1. |
Suppose the charge of a proton and an electron differ slightly. One of them is \[-\,e,\] the other is\[(e+\Delta e)\]. If the net of electrostatic force and gravitational force between two hydrogen atoms placed at a distance d (much greater than atomic size) apart is zero, then \[\Delta e\] is of the order of [Given mass of hydrogen\[{{m}_{h}}=1.67\times {{10}^{-27}}kg\]] [NEET-2017] |
A. | \[{{10}^{-47}}C\] |
B. | \[{{10}^{-20}}C\] |
C. | \[{{10}^{-23}}C\] |
D. | \[{{10}^{-37}}C\] |
Answer» E. | |