7. A proton has a charge q when at rest. When it acquires a velocity c/2 velocity charge becomes. its
Answers
A proton has a charge q when it is at rest. when it acquires a velocity c/2. its charge becomes ...
answer : q
explanation : we know from Enstein's theory of relativity. mass varies with velocity ( when its velocity comparable to the speed of light) but charge doesn't vary with velocity.
charge only depends on the number of electrons present on or absent from the body.
so the no of electrons present on or absent from the body decides the quantity and nature of charge. it is independent from velocity of the body.
therefore if a proton has charge q when it rest then its charge remains q when it acquires a velocity c/2.
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