Electromagnetic Theory-Radiation- From Moving Charges (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1 - 3 of 4

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 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: 1

» Electromagnetic Theory » Radiation- From Moving Charges

Appeared in Year: 2014

MCQ▾

Question

A non – relativistic particle of mass and charge moving with a velocity and acceleration, emits radiation of intensity. What is the intensity of the radiation emitted by a particle of mass charge, velocity and acceleration? (December)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

» Electromagnetic Theory » Radiation- From Moving Charges

Appeared in Year: 2013

MCQ▾

Question

An oscillating current flows in the direction of the y – axis through a thin metal sheet of area kept in the plane. The rate of total energy radiated per unit area from the surfaces of the metal sheet at a distance of 100 m is – (June – 2013)

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 3

» Electromagnetic Theory » Radiation- From Moving Charges

Appeared in Year: 2014

MCQ▾

Question

An electromagnetically – shielded room is designed so that at a frequency the intensity of the external radiation that penetrates the room is 1 % of the incident radiation. If is the conductivity of the shielding material, its minimum thickness should be –

(Given that ) (June – 2014)

Choices

Choice (4) Response

a.

b.

c.

d.

f Page
Sign In