is photocell can be used as photodiode
What is the difference between Centigrade and Fahrenheit thermometers ?
Define non-Luminous body ?
Explain the Shadows ?
why glass is more elastic than rubber?
Why it is more difficult to stop a cricket ball than a tennis ball moving with same velocity ?
What is meant by 4th dimension?
What is channel?
Why objects having inverted in the air ate seen in very cold regions ?
Explain what is the opaque?
What is curvilinear motion?
What is transverse wave motion?
What is the velocity of sound air?