Unit and Measurement MCQs

What is the number of significant figures in 0.310×10 ?

Q. What is the number of significant figures in 0.310×10 ? 6243 Answer: 3

The number of significant figures in the distance of one light year, 9.4605 × 10 m is

Q. The number of significant figures in the distance of one light year, 9.4605 ×…

Dimensions cannot be used to

Q. Dimensions cannot be used to check dimensional correctness of a formulaconvert unitsfind value of…

Out of the following pairs, which one does not have identical dimensions ?

Q. Out of the following pairs, which one does not have identical dimensions ? Angular…

Identify the pair whose dimensions are equal

Q. Identify the pair whose dimensions are equal. Torque and workStress and energyForce and stressForce…

In the above question dimensions of b/c are the same as those of

Q. In the above question dimensions of b/c are the same as those of Wave…

Unit for a fundamental physical quantity is

Q. Unit for a fundamental physical quantity is defined as best of various reference standardsthe…

One second is defined to be equal to

Q. One second is defined to be equal to 9192631770 periods of the cesium clock1650763.73…