Question

Suppose that |1 > and |2 > form an orthonormal basis. Working in the basis, a 2x2 matrix
whose action on any state is to project out the 2 part is
(A) (
1 0
0 1
)
(B) (
0 1
0 1
)
(C) (
0 0
1 1
)
(D) (
0 0
0 1
)
(E) (
1 1
1 1
)

Answer 1

Answer:

(((((47()) -56

Explanation:

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