Quantum Mechanics [CSIR (Council of Scientific & Industrial Research) Physical Sciences]: Questions 64 - 67 of 116

Choose Programs:

📹 Video Course 2024 (400 Lectures [266 hrs : 6 mins]): Offline Support

Rs. 1640.00 -OR-

1 Month Validity (Multiple Devices)

Preview All LecturesDetails

🎓 Study Material (487 Notes): 2024-2025 Syllabus

Rs. 450.00 -OR-

3 Year Validity (Multiple Devices)

Topic-wise Notes & SampleDetails

🎯 696 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 350.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 64

Question MCQ▾

Let and denote the normalized eigenstate corresponding to the ground and first excited state of a one dimensional harmonic oscillator. The uncertainty in the state is:

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 65

Appeared in Year: 2011

Question MCQ▾

The wave function of the particle at time is given by , where and are the normalized eigen states with eigen values and respectively, . The shortest time after which will become orthogonal to is – (December)

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 66

Appeared in Year: 2012

Question MCQ▾

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

Choices

Choice (4)Response

a.

b.

c.

d.

Edit

Question 67

Appeared in Year: 2011

Question MCQ▾

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.

0.68

b.

0.91

c.

0.48

d.

0.28

Edit