JEE Main 2009 Physics — Questions with Solutions

Let P(r)=(Q)/(π R⁴) r be the charge density distribution for a solid sphere of radius R and total charge Q. for a point…

Two points P and Q are maintained at the potentials of 10 ~V and -4 ~V respectively. The work done in moving 100 electr…

This question contains Statement-1 and Statement-2. Of the four choices given after the statements, choose the one that…

A charge Q is placed at each of the opposite corners of a square. A charge q is placed at each of the other two corners…

The net work done on the gas in the cycle ABCDA is

Assuming the gas to be ideal the work done on the gas in taking it from A to B is

The work done on the gas in taking it from D to A is

Due to the presence of the current l₁ at the origin

The magnitude of the magnetic field (B) due to loop A B C D at the origin (O) is

A particle has an initial velocity 3 i+4 j and an acceleration of 0.4 i+0.3 j. Its speed after 10 s is