# Quantum Mechanics-Commutators and Heisenberg Uncertainty Principle (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 5 of 9

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## Question number: 1

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2014

MCQ▾

### Question

Given that the uncertainty in the ground state of the hydrogen atom is – (June)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 2

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2012

MCQ▾

### Question

Given the usual canonical commutation relation, the commutator of and is - (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 3

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2014

MCQ▾

### Question

Let and denote, respectively, the coordinate and momentum operators satisfying the canonical commutation relation in natural units. Then the commutator is – (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 4

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2012

MCQ▾

### Question

The commutator is – (June)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 5

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2014

MCQ▾

### Question

Suppose Hamiltonian of a conservative system in classical mechanics is; where is a constant and and are the position and momentum respectively. The corresponding Hamiltonian in quantum mechanics, in the coordinate representation, is – (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

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