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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > The potential energy of a particle of mass m at a distance r from a fixed point O is given by V(r)=kr 2 /2, where k is a positive constant of appropriate dimensions. This particle is moving in a circular orbit of radius R about the point O. If v is the speed of the particle and L is the magnitude of its angular momentum about O, which of the following statements is (are) true ?

The potential energy of a particle of mass m at a distance r from a fixed point O is given by V(r)=kr 2 /2, where k is a positive constant of appropriate dimensions. This particle is moving in a circular orbit of radius R about the point O. If v is the speed of the particle and L is the magnitude of its angular momentum about O, which of the following statements is (are) true ?

A particle of mass m is moving along the side of a square of side 'a' The potential energy of a particle of mass m at a distance r from a fixed point O is given by V(r)=kr 2 /2 with a uniform speed v in the x-y plane as shown in the figure. Which of the following statements is false for the angular momentum L about the origin?