Which of the following is not the name of physical quantity.

Zero error belongs to the category

Which of the following is not the unit of the energy.

Which of the following is dimensionless quantity.

If force = nx velocity, What is the dimensional formula of n

S²=at⁴, here s is measured in meters and 't' in second. Then the unit of 'a' is

One kilo meter is equal to

Einstein was awarded noble prize for

"The most incomprehensible thing about the world is that it is comprehensible". who made the above statement?

1Hz=