CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 315 - 318 of 696
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Question 315
Appeared in Year: 2012
Question MCQ▾
Which of the following is a self – adjoint operator in the spherical polar coordinate system ? (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 316
Appeared in Year: 2012
Question MCQ▾
An infinite solenoid with its axis of symmetry along the z – direction carries a steady current .
The vector potential at a distance from the axis, (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | Varies as R inside and as outside the solenoid | |
b. | Varies as R inside and is constant outside the solenoid | |
c. | Varies as inside and as R outside the solenoid | |
d. | Is constant inside and varies as R outside the solenoid |
Question 317
Appeared in Year: 2012
Question MCQ▾
A given quantity of gas is taken from the state reversibly, by two paths, directly and as shown in the figure below.
During the process the work done by the gas is 100 J and the heat absorbed is . If during the process the work done by the gas is , the heat absorbed is – (December)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |
Question 318
Appeared in Year: 2012
Question MCQ▾
A bag contains many balls, each with a number painted on it. There are exactly balls which have the number (namely one ball with 1, two balls with 2, and so on until N balls with N on them) . An experiment consists of choosing a ball at random, nothing the number on it and returning it to the bag. If the experiment is repeated a large number of times, the average value of the number will tend to – (June)
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |