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…
Tag: form
Why is a rainbow always bent in the shape of a semi circle…?? but according to the theory light travels straight….!!! (Ramesh asked)
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Solving problems on Laws of Motion
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 […]
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Physics Nobel Prize 2010
Professor Andre Geim and Professor Konstantin Novoselov have been awarded Nobel Prize in Physics (2010) for their pioneering work with the world’s thinnest material. Sometimes the old gives rise to the new in wonderfully unexpected ways. Such wa…
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INTRODUCTION 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. Nature of Light The nature of light was not at all thought until Newton attempted on it. Newton’s Corpuscular Theory According to Sir […]