Directions for: The questions consist of two statements each, printed as assertion and reason. While answering these questions you are required to choose any one of the following five responses A. If both the Assertion and the Reason are true and the Reason is a correct explanation of the Assertion. B. If both the Assertion and the Reason are true but the Reason is not a correct explanation of Assertion. C. If the Assertion is true but the Reason is false. D. If both the Assertion and the Reason are false. E. If Assertion is false but Reason is true.
Assertion: If the speed of charged particle increases both the mass as well as charge increases. Reason: If \[{{m}_{o}}\] be rest mass and m the mass at velocity v then \[2\times {{10}^{-8}}N{{m}^{-1}}\] where c = speed of light.A) A
B) B
C) C
D) D
E) E
Correct Answer: E
Solution :
According to the theory of relativity, an object with certain mass cannot travel at the speed of light. The relativistic mass is then formulated as \[m=\frac{{{m}_{0}}}{\sqrt{1-\frac{{{v}_{2}}}{{{c}^{2}}}}}\] where v is speed of object and c is speed of light. Also when body moves the charge on body does not change.
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