JEE Main Physics question

Statement 1: If the error in measurement of distance and time are 3% and 2% respectively, the error in calculation of velocity is 5%. Statement 2: Velocity = distance/time.

(A)Assertion is True, Reason is True; Reason is correct explanation for AssertionCorrect
(B)Assertion is True, Reason is True; Reason is not correct explanation for Assertion
(C)Assertion is False, Reason is True
(D)Assertion is True, Reason is False

Answer: (A)

Solution

Since velocity is a quotient of distance and time, the maximum percentage error in velocity is the sum of the percentage errors in distance and time,

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Question ID VK-157196