CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 15 - 18 of 696
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Question 15
Appeared in Year: 2013
Question MCQ▾
A particle of charge e and mass m is located at the midpoint of the line joining two fixed collinear dipoles with unit charges as shown in figure. (The particle is constrained to move only along the line joining the dipoles.) Assuming that the length of the dipoles is much shorter than their separation, the natural frequency of oscillation of the particle is – (June)
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 16
Appeared in Year: 2013
Question MCQ▾
If A, B and C are non-zero Hermitian operators, which of the following relation must be false? (December)
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 17
Appeared in Year: 2013
Question MCQ▾
The un – normalized wave function of a particle in a spherically symmetric potential is given by,
Where, is a function of the radial variable r. The eigenvalue of the operator (namely the square of the orbital angular momentum) is – (June)
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. |
Question 18
Appeared in Year: 2013
Question MCQ▾
A particle moves in a potential . Which component (s) of the angular momentum is/are constant (s) of motion? (December)
Choices
Choice (4) | Response | |
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a. | ||
b. | ||
c. | ||
d. | None of the above |