Posts Tagged ‘Learnt’

Electricfield, Magnetic Field and Photon

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...

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A MUST WATCH MOVIE


Made by School Students


Be the first to comment - What do you think?  Posted by Mathew Abraham - September 15, 2011 at 4:57 pm

Categories: Ask Physics, Electricfield, Project, sajad, varying magnetic field   Tags: , , , , , , , , , , , ,

A question on Quantum Entanglement

I have read a lot about quantum mechanics but have a query. using an entangled photon for this question. If you can’t measure an entangled photon without affecting it’s entanglement then how do we know it was even entangled to start with and not just always a certain “spin”, either up or down. How can [...]

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Be the first to comment - What do you think?  Posted by Mathew Abraham - August 9, 2011 at 2:01 pm

Categories: Ask Physics   Tags: , , , , , , , , ,