In this question, a statement of assertion 
is followed by a statement of reason 
. Mark the correct choice as:
Assertion: The center mass of an electron and proton, when released remains at rest.
Reason: Proton is heavier than electron.
Text Solution
Verified by ExpertsThe correct answer is:
B
: The position of center of mass of electron and proton remains at rest. As their motion is due
to (internal) forces of electrostatic attraction, which are conservative force. No external force is acting on the two particles, therefore center of mass remain at rest.
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