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…
6 years ago
AIEEE2007
A circular disc of radius R is removed from a bigger circular disc of radius 2R
A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumferences…
6 years ago
A current I flows along the length of an infinitely long, straight, thin walled pipe.
A current I flows along the length of an infinitely long, straight, thin walled pipe. Then Options (a) the magnetic…
6 years ago
The half-life period of a radio-active element X is same as the mean life time
The half-life period of a radio-active element X is same as the mean life time of another radio-active element Y.…
6 years ago
In gamma ray emission from a nucleus
In gamma ray emission from a nucleus Options (a) only the proton number changes (b) both the neutron number and…
6 years ago
A Carnot engine, having an efficiency of η=1/10 as heat engine, is used
A Carnot engine, having an efficiency of η=1/10 as heat engine, is used as a refrigerator. If the work done…
6 years ago
A parallel plate condenser with a dielectric of dielectric constant K between the plates
A parallel plate condenser with a dielectric of dielectric constant K between the plates has a capacity C and is…
6 years ago
An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system. Two points A and B…
6 years ago
Carbon,silicon and germanium have four valence electrons each. At room temperature
Carbon,silicon and germanium have four valence electrons each. At room temperature which one of the following statements is most appropriate?…
6 years ago
Photon of frequency ν has a momentum associated with it. If c is the velocity
Photon of frequency ν has a momentum associated with it. If c is the velocity of light, the momentum is…
6 years ago