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MHT CET Physics question

PhysicsAtomsMHT CET

Suppose an electron is attracted towards the origin by a force , where is a constant and is the distance of the electron from the origin. By applying Bohr model to this system, the radius of the th orbit of the electron is found to be and the kinetic energy of the electron to be . Then, which of the following is true?

Answer: (B)

Solution

gives , so and the kinetic energy are independent of ; then gives

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Question ID VK-084893