1The potential energy of a particle of mass m at a distance r from a fixed point O is given byV (r) = ke'#2, where k is a positive constant of appropriate dimensions. This particle is moving in acircular orbit of radius R about the point O, If v is the speed of the particle and L is the magnitudeof its angular momentum about O, which of the following statements is (are) true ?कि हल = J_mk(A) "पी (B) v-m—l! (©) L-JmkR? (D) L= Z—R’

1The potential energy of a particle of mass m at a distance r from a f

1.	1The potential energy of a particle of mass m at a distance r from a fixed point O is given byV (r) = ke'#2, where k is a positive constant of appropriate dimensions. This particle is moving in acircular orbit of radius R about the point O, If v is the speed of the particle and L is the magnitudeof its angular momentum about O, which of the following statements is (are) true ?कि हल = J_mk(A) "पी (B) v-m—l! (©) L-JmkR? (D) L= Z—R’
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