A round uniform body of radius R, mass M and moment of inertia I rolls down
A round uniform body of radius R, mass M and moment of inertia I rolls down (without slipping) an inclined…
A round uniform body of radius R, mass M and moment of inertia I rolls down (without slipping) an inclined…
A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumferences…
A current I flows along the length of an infinitely long, straight, thin walled pipe. Then Options (a) the magnetic…
The half-life period of a radio-active element X is same as the mean life time of another radio-active element Y.…
In gamma ray emission from a nucleus Options (a) only the proton number changes (b) both the neutron number and…
A Carnot engine, having an efficiency of η=1/10 as heat engine, is used as a refrigerator. If the work done…
A parallel plate condenser with a dielectric of dielectric constant K between the plates has a capacity C and is…
An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system. Two points A and B…
Carbon,silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?…
Photon of frequency ν has a momentum associated with it. If c is the velocity of light, the momentum is…