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Question

State True or False :
If a neutral body is made positive, its mass decreases.
  1. True
  2. False

A
False
B
True
Solution
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Answer is A.

We can say that objects that are charged contain unequal numbers of protons and electrons. Charged objects have an imbalance of charge - either more negative electrons than positive protons or vice versa. And neutral objects have a balance of charge - equal numbers of protons and electrons.
As the atom looses electrons to become positively charged, the total mass of the body gets reduced slightly. Hence, the statement is true.

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