Physics Questions and Answers

oil raise up the wick in a lamp. The principle involves

Superconductors are substances which

 Light travels at the fastest speed in

Railway tracks are banked on curves

On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?

Intensity of sound at a point is ____ its distance from the source.

Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open

Radio telescopes are better than optical telescopes because

Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit