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[Maximum Marks: 60]
M.Sc. IInd Semester (CBCS) Examination, 2021
Physics
Paper - PT-201
Electromagnetism
Note :- All questions from each section carry equal marks. All questions are compulsory and answer limit are approximately 250 words. Start the answer of each section from new page. Maximum limit of pages of answer booklet are approximately 16 pages. Answer should be written by the student in his/her own handwriting mandatory. The first page of answersheet should be download by the student from university website is mandatory.
1.
Differentiate between atomic, molecular and electronic polarization.
2.
Consider two infinite, parallel conducting plates, spaced a distance 'd' apart. The region between the plates is filled with a dielectric ε. A voltage V0 is placed accross these plates. Find out the potential V(&vec;r), electric field &vec;E(&vec;r) and charge density Ps(&vec;r).
3.
Discuss boundary conditions for magnetic field.
4.
Discuss Gauss's and Stoke's theorem of vector calculus.
5.
Explain linear polarization of electromagnetic waves.