Unit and Measurement MCQs

The product of energy and time is called action. The dimensional formula for action is same as that for

Q. The product of energy and time is called action. The dimensional formula for action…

Which is the most accurate atomic clock?

Q. Which is the most accurate atomic clock? Carbon-12 clockCarbon atom clockCaesium atom clockStop clock…

Which pair of following quantities has dimensions different from each other

Q. Which pair of following quantities has dimensions different from each other Impulse and linear…

After decimal point, number is less than 5 which is to be neglected,then retained number

Q. After decimal point, number is less than 5 which is to be neglected,then retained…

Planck’s constant has the dimensions of

Q. Planck's constant has the dimensions of : forceenergylinear momentumangular momentum Answer: angular momentum

Which of the following is not the unit of time

Q. Which of the following is not the unit of time solar dayparallactic secondleap yearlunar…

A dimensionless quantity

Q. A dimensionless quantity has no unitmust have a unitcannot existMay have a unit Answer:…

Find the option with 3 significant figures

Q. Find the option with 3 significant figures. 0.02682.0682.60826.08 Answer: 0.0268

Which of the following is not the unit of energy?

Q. Which of the following is not the unit of energy? watt-hourelectron-voltN × mkg ×…