Which of these is true for the speed of an electro-magnetic
wave and the speed of light?
Answer Posted / namram
speed of light and em wave are equal
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Two distinct no's are taken from 1,2,3,4......28. Find the probability that their sum is less than 13
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Q1. Given a collection of points P in the plane, a 1-set is a point in P that can be separated from the rest by a line, .i.e the point lies on one side of the line while the others lie on the other side. The number of 1-sets of P is denoted by n1(P). The minimum value of n1(P) over all configurations P of 5 points in the plane in general position(.i.e no three points in P lie on a line) is