Which of the following are true? A. If single measurements on identically prepar

Question

Which of the following are true?

A. If single measurements on identically prepared systems give identical results, the system is in the eigenfunction corresponding to the measured eigenvalue.

B. If a system is in a superposition state, a single measurement on identically prepared systems will always give the same result.

C. If a system is in a superposition state, a single measurement on identically prepared systems will give any one of the possible eigenvalues with equal probability.

D. If a system is in an eigenstate of the operator corresponding to the property being measured, successive measurements on the system will give identical results.

The options are:

B & C

A & D

A & C

Explanation / Answer

Ans: A and C

When we do the measurement then it will give only one of the eigen values but not the all eigen values so B is wrong.

When we do repetitive measurements on a state, then that will change continuously and results are always different so D is also wrong.

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