In the process, when two bodies are charged by rubbing against the other, one becomes positively charged while the other becomes negatively charged. Then

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mass of each body changes slightly and hence the total mass

mass of each body remains unchanged

mass of each body changes marginally

mass of each body changes slightly but the total mass remains the same

answer is D.

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Detailed Solution

The transfer of electrons from one body to the other produces charge on the body

Hence, $(\begin{array}{l} n u m b e r o f e l e c t r o n s \\ g i v e n b y o n e b o d y \end{array})$ = $(\begin{array}{l} n u m b e r o f e l e c t r o n s \\ o b t a i n e d b y t h e o t h e r \end{array})$

So, mass of negatively charged body slightly increases while mass of positively charged body slightly increases However, the total mass of the system remains the same

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