When a capacitor is connected to a battery
When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler.
When a CD (compact disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of
When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the objects velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force?
When a detergent is added to pure water, its surface tension
When a light wave is reflected from a mirror, there is a change in its
When a liquid is at its boiling point, no temperature change takes place due to heating. The energy supplied due to heating
When a metal is heated in a flame, the electrons absorb energy & jump to higher energy state. On coming back to the lower energy siate, they emit light, which we can observe in
When a moving bus stops suddenly, the passenger are pushed forward because of the
When a number of resistors are connected in series in a circuit, the value of current
