A particle is thrown vertically upward with a velocity of 19.6 m/s. Find (a) the acceleration of the particle at the highest point. (b) How high the particle will rise? (c) Time taken for rising to
I heard that we ought not eat anything in eclipse hours. Is there any scientific reason for that?
There is no scientific reason behind it. Earlier it was thought that more harmful
We know that photon has no charge. Then where from it gets electric and magnetic field in light? Malik Sajad asks Answer: Electric and magnetic fields are not produced by the photon; it is massless too. But, photon is created by time varying electric a...