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Two point changes q1 and q2 are placed at a distance r from one another then electrostatic potential energy of two phase charge system will be kq1q2/r . We take P.E. of two charge system to be zero when they are placed at infinity.
Some phenomenon based on scattering: (i) Sky looks blue because of scattering. (ii) At the starting time of sunrise or sunset sun looks reddish. (iii) Danger signals are
a) Explain what is meant by the term "Heat Energy" b) An Aluminium bar 0.5m long, initially at 20° C is heated until its temperature rises by 50 0 C. Determine the change in l
A baseball bat strikes a ball with a force of 30 newtons. If the ball was in contact with the bat for 1/10 of a second, What impulse did the ball receive? Ans - 3 Newt
Are fibers optics systems expensive? To find out whether a system is expensive one would have to establish a comparison with an option, which in most cases doesn't exist. To co
Friction is a microscopic constant and so macroscopic level area does not matter. But area would matter if the object we''re putting under study was microscopic, which isn''t in o
Does the moment of inertia of a cylinder change if the direction of the rotation axis is changed, but it still goes through the center of mass?
1.A=the set of whole numbers less tan 4 ? 2.B=the set of prime numbers less than 19 ? 3.C=the set of first three days of week?
What are single ends? The extreme fiber optics conductor is farthest from the illuminator. The bit which emits light or the end that lights up.
theory of searles magnetometer for do the experiments
Write down the expression for the equivalent focal length of two thin lenses separated by a distance and illustrate the terms.
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