Operator Algebra | Quantum Chemistry | MCQs for CSIR NET & GATE - Download PDF

Vijay Ishwar
3

Operator Algebra
MCQs for CSIR NET & GATE

Quantum Chemistry
Topic wise Assignment-1

QUIZ        PDF

Q5. Which operators commute with each other-

[GATE YYYY]

        (a) x and d/dx
        (b) d/dx and d2/dx2 + 2 d/dx
        (c) x2 d/dx and d2/dx2
        (d) x2 and d/dx 

Q6. [x3, px] is equal to-

[GATE YYYY]

        (a) - 3hx2/2Ï€i
        (b) hx/2
Ï€i
        (c) hx2/2
Ï€i
        (d) 3hx2/2
Ï€i

Q7. Commutator of  [x, [x, px2]] is equal to -

[NET June 2013]

        (a) [px x , [x, px]]
        (b) [x px
, [x, px]]
        (c) - [px
, [x2, px]]
        (d) [x, [x2, px]] 

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