Quantum Mechanics (CSIR Physical Sciences): Questions 66 - 68 of 71

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 401 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: 66

» Quantum Mechanics » Timeindependent Perturbation Theory and Applications

Appeared in Year: 2012

MCQ▾

Question

Consider an electron in a box of length L with periodic boundary condition Equation . If the electron is in the Equation with energy Equation , what is the correction to its energy, to second order of perturbation theory, when it is subjected to weak periodic potential Equation , where Equation is an integral multiple of the Equation ? (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 67

» Quantum Mechanics » Variational Method

Appeared in Year: 2011

MCQ▾

Question

If an electron is in the ground state of the hydrogen atom, the probability that its distance from the proton is more than one Bohr radius is approximately, (June)

Choices

Choice (4) Response

a.

0.48

b.

0.68

c.

0.28

d.

0.91

Question number: 68

» Quantum Mechanics » Motion in Central Potential » Hydrogen Atom

Appeared in Year: 2011

MCQ▾

Question

A particle in one dimension moves under the influence of a potential Equation , where Equation is a real constant. For large Equation the quantized energy level Equation depends on Equation as: (June)

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

f Page
Sign In