Electromagnetic TheoryElectromagnetic Waves in Free Space (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 1  5 of 6
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 463 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 300.00 or
Question number: 1
» Electromagnetic Theory » Electromagnetic Waves in Free Space
Appeared in Year: 2014
Question
A light source is switched on and off at a constant frequency. An observer moving with a velocity with respect to the light source will observe the frequency of the switching to be – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 2
» Electromagnetic Theory » Electromagnetic Waves in Free Space
Appeared in Year: 2011
Question
A plane electromagnetic wave is propagating in a lossless dielectric. The electric field is given by , where c is the speed of light in vacuum, , A and are constant and and are unit vectors along the x and z – axes. The relative dielectric constant of the medium, and the constant A are – (June)
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Passage
The magnetic field of the mode of a rectangular waveguide of dimensions as shows in the figure is given by , where and are in cm.
Question number: 3 (1 of 2 Based on Passage) Show Passage
» Electromagnetic Theory » Electromagnetic Waves in Free Space
Question
The entire range of frequencies for which the mode will propagate is:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 4 (2 of 2 Based on Passage) Show Passage
» Electromagnetic Theory » Electromagnetic Waves in Free Space
Question
The dimensions of the waveguide are –
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Electromagnetic Theory » Electromagnetic Waves in Free Space
Appeared in Year: 2016
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 
