Physics Test - ...

Maxwell is the unit of

The snow on the mountains does NOT melt all at once when it is heated by the sun because:

A body of mass m is dropped from a certain height. It has a velocity v when it is at a height h above the ground. Which of the following will remain constant during the free fall?

If the gravitational force varies inversely as the n^th power of distance, then the time period of a planet in a circular orbit of radius 'r' around the sun will be proportional to

A closed surface has ‘n’ electric dipole located inside it. The net electric flux emerging out of the surface-

One Joule per coulomb is called?

Let gp be value of acceleration due to gravity at poles and ge be that at equator of earth. Assuming earth to be a sphere of radius 'R' rotating about its axis with angular speed 'w', g_p - g_e is given by

A charge of magnitude 3e and mass 2m is moving in an electric field,$\overrightarrow{E}$. The acceleration imparted to the charge is

What is the electric potential at the center of a square in given figure?

A paramagnetic substance of susceptibility 3 x 10^-4 is placed in a magnetic field of 4 x 10^-4 Am^-1. What is the intensity (in Am^-1) of magnetisation?