If the length of rod A is 3.25 ± 0.01 c m and that of B is 4.19 ± 0.01 c m , then the rod B is longer than rod A by

Question

If the length of rod A is 3.25 ± 0.01 c m and that of B is 4.19 ± 0.01 c m , then the rod B is longer than rod A by, 0.94 ± 0.00 c m, 0.94 ± 0.01 c m, 0.94 ± 0.02 c m, 0.94 ± 0.005 c m

MARKS App · Accepted Answer

Given, length of rod A is L A = 3.25 ± 0.01 Of B is L B = 4.19 ± 0.01 Then, the rod B is longer than rod A by a length ∆ l = L B - L A ∆ l = 4.19 ± 0.01 - 3.25 ± 0.01 ∆ l = 0.94 ± 0.02 c m

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