Quantum Mechanics (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 73 - 76 of 80

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 300.00 or

Question number: 73

» Quantum Mechanics » Spin-Statistics Connection

Appeared in Year: 2016

MCQ▾

Question

The identity matrix and Pauli matrices do not form a group under matrix multiplication. The minimum number of matrices, which includes these four matrices, and form a group (under matrix multiplication) is: (December)

Choices

Choice (4) Response

a.

20

b.

8

c.

16

d.

12

Question number: 74

» Quantum Mechanics » Elementary Theory of Scattering » Born Approximation

Appeared in Year: 2016

MCQ▾

Question

A particle is scattered by a central potential , where and are positive constants. If the momentum transfer is such that , the scattering cross – section in the Born approximation, as , depends on as:

[You may use: ] (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 75

» Quantum Mechanics » Commutators and Heisenberg Uncertainty Principle

Appeared in Year: 2016

MCQ▾

Question

Consider the operator acting on smooth functions of . The commutator is: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

0

Question number: 76

» Quantum Mechanics » Wave-Function in Coordinate Representations

Appeared in Year: 2016

MCQ▾

Question

A particle in one dimension is in a potential . Its wavefunction is continuous everywhere. The discontinuity in at is: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
Sign In