Physics Doubt

We will have general discussion of all physics doubts here.


by Utkal Raja -

Sir my problem is 

If two equal and opposite charges placed at a distance  2m apart then where should be the third charge placed so that three charges stay equilibrium. Plz sir tell

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physics doubt

by Saurabh yadav -
in a cyclotron, charge moves from one dee to another but both dees being metallic have no electric field in them. Since charge is moved by electric field but if the electric field is present it might enter the dee and thus it would contradict the statement.

Please resolve my query.
So how does charge move

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by Md Mutahhir Azam -

Light Reflection and Refraction

How to find the graph of variation of v (image distance) with u (object distance) where symbols have their usual meanings ?

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