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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.
A bar magnet having of two equal and opposite magnetic pole separated by a small distance. Poles are not precisely at the last. The smallest distance among two poles is known as ef
a spacecraft is moving relative to the earth. an observer finds that according to her clock 3601 seconds elapse between 1pm and 2pm on the spacecrafts clock. what is the spacecraft
Why newton rings are circular?
Give at least two differences between optical diffraction and optical interference phenomena.
can electrons from an electron gun produce electricity
MOTION: A body is said to be in motion if it alters its position with respect to its surroundings.
Evaluate the speed of the block A 2.00-kg block is attached to a spring force constant 500N/n. The block is pulled 5.00 cm to the right of the equilibrium and released from rest
What are the needs of light sources for fibre optic communication? Light sources for fibre optic communication should meet certain given requirements as illustrated below: a
Michelson-Morley experiment (A.A. Michelson, E.W. Morley; 1887) Probably the most popular null-experiment of all time, designed to check the presence of the proposed "lumenife
the center of oscillation of a meter stick suspended about a transverse axis is located at 10 cm mark. determine at what other positions the meter stick could be suspended and have
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