1.

For the ground state, the electron in the H-atom has an angular momentum =h, according to the simple Bohr model. Angular momentum is a vector and hence there will be infinitely many orbits with the vector pointing in all possible directions. In actually, this is not true.

Answer»

because Bohr MODEL gives incorrect values of angular momentum
because only one of these would have a minimum energy
angular momentum must be in the DIRECTION of SPIN of electron
because electrons go around only inhorizontal orbits

Solution :Simple Bohr model, INFACT does not give correct values of angular momentum of revolving electrons. It gives only the magnitude of angular momentum, which is a vector. So the given statement in the QUESTION is not true. Choice (a) is correct.


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