is photocell can be used as photodiode
What are the three particles that make up an atom?
Why dies a cricket player lower his hands, while catching the ball ?
A burn from steam is more painful than that from boiling water. Why ?
how much mercury overflows when a glass vessel filled to the brim with 50 cubic centimeter of mercury 15°C is heated to 75°C of glass?
What is the direction of null vector?
How do you calculate tensile strength?
What is the role of a transformer in a rectifier?
Explain the Friction and Equilibrium ?
Why is water in kept in ?gharas? in summer ?
Why do stars twinkle? Why do planets not twinkle?
Explain what is a crest?
What is third law of thermodynamics?