CSIR (Council of Scientific & Industrial Research) Physical Sciences: Questions 416 - 419 of 463

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Question number: 416

» Electromagnetic Theory » Electromagnetic Waves in Free Space

Appeared in Year: 2016

MCQ▾

Question

A particle with charge moves with a uniform angular velocity in a circular orbit of radius in the plane, around a fixed charge , which is at the centre of the orbit at . Let the intensity of radiation at the point be and at be . The ratio , for , is: (December)

Choices

Choice (4) Response

a.

b.

c.

8

d.

4

Question number: 417

» Electromagnetic Theory » Dynamics of Charged Particles in Static Electromagnetic Field

Appeared in Year: 2016

MCQ▾

Question

Suppose that free charges are present in a material of dielectric constant and resistivity . Using Ohm’s law and the equation of continuity for charge, the time required for the charge density inside the material to decay by is closest to: (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 418

» Quantum Mechanics » Elementary Theory of Scattering » Born Approximation

Appeared in Year: 2016

MCQ▾

Question

A particle is scattered by a central potential , where and are positive constants. If the momentum transfer is such that , the scattering cross – section in the Born approximation, as , depends on as:

[You may use: ] (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 419

» Electronics and Experimental Methods » Digital Techniques and Applications » Registers

Appeared in Year: 2016

MCQ▾

Question

Which of the following circuits implements the Boolean function ? (December)

Choices

Choice (4) Response

a.

Circuit implements the Boolean function : Choice A

Circuit Implements the Boolean Function: Choice A

In figure circuit implements the Boolean function is shown.

b.

Circuit implements the Boolean function : Choice B

Circuit Implements the Boolean Function: Choice B

In figure circuit implements the Boolean function is shown.

c.

Circuit implements the Boolean function : Choice C

Circuit Implements the Boolean Function: Choice C

In figure circuit implements the Boolean function is shown.

d.

Circuit implements the Boolean function : Choice D

Circuit Implements the Boolean Function: Choice D

In figure circuit implements the Boolean function is shown.

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