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Two concentric conducting shells a and b are of radii R and 2R. A charge +q is centred at their center. Shell b is then earthed and a is given charge q. Find the charge on outer surfaces oboth shells.
Ans) THE charge on outer surface of A will be 2q and outer surface of B will be zero due to earthing charge on b will flow to earth.
Muturi is rearranging some furniture. He pushes the dresser with a force of 143 N,and there is opposing frictional force of 112 N. What is the net force ?
when an object is dropped, what is its acceleration at the moment of release? Explain with reasoning.
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Critical angle in certain substance is 300. Calculate the polarization angle of the substance?
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How to find out neutral point ? What all things we require to equate or form a equation to find the neutral poind and how to do it?
explain air wedge
a) You are travelling in a rocket in a totally vacant universe. The rocket is travelling at 100 m.s -1 and accelerates at 10g for 3 minutes. How fast are you travelling at th
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