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For hydrogen, an electron is in 2p state. Obtain the magnitude of orbital angular momentum and possible



z-components of orbital angular momentum 𝐿⃗ . What would be the possible values of total angular



momentums (𝐽 ) and associated magnetic moments 𝜇𝐽



⃗⃗⃗

For hydrogen, an electron is in 2p state. Obtain the magnitude of orbital angular momentum and possible



z-components of orbital angular momentum 𝐿⃗ . What would be the possible values of total angular



momentums (𝐽 ) and associated magnetic moments 𝜇𝐽



⃗⃗⃗

A 2-kg steel ball is attached to the end of a flat strip of metal that is clamped at its base. If the spring constant is 8 N/m, the frequency of vibration will be approximately?

A particle of mass m is confined between 0<=x<=l. If px be the momentum, then find px in the ground state



Derive schrodingers equation

If the energy of electron in second excited state is 9eV in an infinite potential box . The ground state energy of the particle is:


If A and B are Hermitian operators, show that AB is Hermitian if and



only if A commutes with B

 If A and B are Hermitian operators, show that AB is Hermitian if and only if A commutes with B


Let A and B be two non-commuting Hermitian operators. Determine


which of the following operators are Hermitians:


(a) AB


(b) [A, B]


(c) {A, B} = AB + BA


(d) ABA


(e) An where n is an integer.



 If A, B and C are Hermitian operators, determine if the following combinations are Hermitian: (a) A + B (b) 1 2i [A, B] (c) (ABC − CBA) (d) A2 + B2 + C 2 (e) (A + iB)


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