JEE Main 2022 Physics question

PhysicsUnits and MeasurementJEE Main 2022

A student in the laboratory measures thickness of a wire using screw gauge. The readings are 1.22 mm, 1.23 mm, 1.19 mm and 1.20 mm. The percentage error is x/121 %. The Value of x is .

Answer: 150

Solution

The mean is (1.22 + 1.23 + 1.19 + 1.20)/4 = 1.21 mm. The absolute errors are 0.01, 0.02, 0.02 and

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Question ID VK-034826