Two parallel beams of electrons are moving in the same direction. Does they repel or attract each other?
Describe the Working of the Transistor?
How fast can a shadow move ? If a moth fly's in front of a very bright room temperature light powerful enough to light up Saturn like the sun could it's shadow move faster then light if there was no light diffusion.
Why is flywheel used in motor cars ?
Which property of the rain coat makes it water proof?
Why the objects which ate perfect reflectors or transparent, not so easily visible ?
In any current connection there are two wires one is phase and another is neutral, what is the use of neutral wire?
Why is it easier to lift a stone in water than in air ?
What is the melting point of copper?
Why gave we to put back the clock continually, when we travel round the world west-wards ?
Explain the Light ?
Why ”quantum physics” is named as it is? : quantum physics
which electronic devices used at low frequencies? and high frequencies?and microwave frequencies?