Unit and Measurement MCQs

Which of the following is a dimensionless quantity, even when the measured quantity is not dimensionless?

October 1, 2022

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Which of the following is a dimensionless quantity, even when the measured quantity is not dimensionless?

Q. Which of the following is a dimensionless quantity, even when the measured quantity is not dimensionless?

absolute error
Gross error
Relative error
experimental error

Answer: Relative error

Which of the following is a dimensionless quantity, even when the measured quantity is not dimensionless?

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Which of the following have the same dimensions as Plank’s constant?

Which of the following is a dimensionless quantity, even when the measured quantity is not dimensionless?

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The least count of a stop watch is 0.1s. The time of 20 oscillations of the pendulum is found to be 20s. The percentage error in the time period is

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