Units and Measu...

What is the total number of fundamental units in the SI system of measurement?

Light Year is the unit of

SI unit of temperature is

Which of the following is a derived unit?

Which of the following relations is correct?

1 fermi is equal to

Size of a proton is of the order of

Find the value of one year in SI units, assuming that the year is not a Leap Year.

Density of a liquid is 10 gcm^-3. Its value in SI units is

One horse power is equal to

One nanometer is equal to

Earth`s radius is 6.37 10⁶ m and its average density is 5.517 10³ kg m^-3. Calculate the mass of Earth to correct significant figures?

How many significant figures are there in 0.002002?

How many significant figures are there in 3.1 + 1.222?

How many significant figures are there in 1.000 10³?

Each side of a cube is measured to be 6.154 m, what is the volume of the cube to appropriate significant figures?

The least count of an instrument is 0.01 cm. Taking all precautions, the maximum possible error in the measurement can be

The least count of a stop-watch is second. The time of oscillation of a pendulum is measured to be 25 seconds. Minimum percent error in the measurement of time will be

A piece of a metal has volume 20 cc and mass 290 g. The density of the metal will be

The density of a metal is 18.5 gm cm^-3. If the volume of metal is 14 cc, then the mass of the metal is