The total number of atoms neither remains constant (as in option (a) nor can ever increase (as in option (b) and (c)). They will continuously... View Article
Seismograph, an instrument that makes a record of seismic waves caused by an earthquake, explosion, or another Earth-shaking phenomenon. The... View Article
In photocell, at a particular negativepotential (stopping potential V0) ofanode, photoelectric current is zero,At the potential difference... View Article
From the given graph it is clear that if we extend the given graph for A and B, intercept of the line A on V axis will be smaller as compared to... View Article
In conventional light source, light comes from a large number of independent atoms, each atom emitting light for about 10-9 sec i.e. light... View Article
Inductance is inherent property of electricalcircuits. It will always be found in an electrical circuit whether we want it or not. The circuit in... View Article
As the dipole will feel two forces which are although opposite but not equal. A net force will be there and as these forces act at different... View Article
The correct option is C) Soft iron. Soft iron is selected for making the core of an electromagnet because the core is used in a solenoid for the... View Article
When a wire loop is rotated in a magnetic field, the direction of induced emf changes for every 1/2 rotation. There are two methods that are... View Article
