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The line graph L(G) of a simple graph G is defined as follows: · There is exactly one vertex v(e) in L(G) for each edge e in G.· For any two edges e and e' in G, L(G) has an edge between v(e) and

A straight line parallel to time-axis on a distance-time graph tells that object is

A plane mirror is placed along the y-axis as such x-axis is normal to the plane of the mirror. The reflecting surface of the mirror is towards negative x-axis. The reflecting surface of the mirror is

Six points are marked on a straight line and five points are marked on another line which is parallel to the first line. How many straight lines, including the first two, can be formed with these poin

In an experiment to determine the focal length (f) of a concave mirror by the u–v method, a student places the object pin A on the principal axis at a distance x from the pole P. The student looks a

If the graph of y = f(x) is transformed into the graph of 2y - 6 = - 4 f(x - 3), point (a , b) on the graph of y = f(x) becomes point (A , B) on the graph of 2y - 6 = - 4 f(x - 3) where A and B are gi

A\ncylindrical conducting rod is kept with its axis along positive z-axis, where a uniform magnetic field exists parallel to z-axis. The current induced in the cylinder is