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...
Why is a rainbow always bent in the shape of a semi circle…?? but according to the theory light travels straight….!!! (Ramesh asked)
Sir,in solving problems of laws of motion ,is it mandatory to take that direction as +ve in which acceleration acts?(i.e should i subtract other forces acting on a body from the forces that is acting towards the acceleration) (Pranay Talukdar asks) Answer: In general, we take the forces in the direction of acceleration (I.E, ENHANCING [...]
Professor Andre Geim and Professor Konstantin Novoselov have been awarded Nobel Prize in Physics (2010) for their pioneering work with the worldâ€™s thinnest material. Sometimes the old gives rise to the new in wonderfully unexpected ways. Such wa...
LIGHT is a form of energy which causes the sensation of vision. Optics is the branch of Physics which studies the nature of light and the various phenomena associated with it.