CSIR Physical Sciences: Questions 315 - 317 of 401

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: 315

» Quantum Mechanics » Eigenvalue Problems

Appeared in Year: 2012

MCQ▾

Question

Which of the following is a self – adjoint operator in the spherical polar coordinate system (r,θ,ϕ) ? (June)

Choices

Choice (4) Response

a.

isinθθ

b.

isinθθ

c.

isin2θθ

d.

iθ

Question number: 316

» Electromagnetic Theory » Gauss Law and Applications

Appeared in Year: 2012

MCQ▾

Question

An infinite solenoid with its axis of symmetry along the z – direction carries a steady current I .

An infinite solenoid

An Infinite Solenoid

In figure an infinite solenoid with its axis of symmetry along the z – direction carries a steady current.

The vector potential A at a distance R from the axis, (December)

Choices

Choice (4) Response

a.

Varies as 1R inside and as R outside the solenoid

b.

Varies as R inside and is constant outside the solenoid

c.

Is constant inside and varies as R outside the solenoid

d.

Varies as R inside and as 1R outside the solenoid

Question number: 317

» Thermodynamic and Statistical Physics » Laws of Thermodynamics

Appeared in Year: 2012

MCQ▾

Question

A given quantity of gas is taken from the state AC reversibly, by two paths, AC directly and ABC as shown in the figure below.

PV diagram of cycle ABC

PV Diagram of Cycle ABC

In PV diagram of ABC cycle is shown.

During the process AC the work done by the gas is 100 J and the heat absorbed is 150J . If during the process ABC the work done by the gas is 30J , the heat absorbed is – (December)

Choices

Choice (4) Response

a.

20J

b.

280J

c.

220J

d.

80J

f Page
Sign In