When the planet jupiter is at a distance of 324.7 million kilometers from the earth ,its angular diameter is measured to be 35.72″ of arc.Calculate the diameter of jupiter.

Which of the following has the dimensions of work?

Which of the following is a more accurate measuring instrument?

Dimensional formula for self - inductance is 

Which of the following is a dimensional constant?

The error in the measurement of radius of a sphere is 0.4%.Find the permissible error in the surface area.

If x = at +bt² ,where x is the distance travelled by the body in kilometer while t is the time in second,then the unit of b is

The ratio of the dimensions of Planck's constant and that of the moment of inertia is the dimension of 

One mole of an ideal gas at standard temperature and pressure occupies 22.4 L (molar volume).What is the ratio of molar volume to the atomic volume of a mole of hydrogen ?(Take the size of hydrogen molecule to be about 1 Å). 

Who gave the Universal Law of Gravitation?