karnatakastateopenuniversity.in Physics Model Question Paper : Karnataka State Open University
Organisation : Karnataka State Open University
Exam : M.Sc
Document Type : Model Question Paper
Category or Subject : Physics
Website : https://ksoumysuru.ac.in/
Download Sample Question Paper :
Physics I Sem : https://www.pdfquestion.in/uploads/9472-M.Sc.Physics.pdf
Physics II Sem : https://www.pdfquestion.in/uploads/9472-M.Sc.Physics1.pdf
KSOU Physics Model Question Paper
Time: 3 Hours
Max. Marks: 80
Related : Karnataka State Open University Diploma in Statistical Process Control Sample Question Paper : /\www.pdfquestion.in/9461.html
Instructions
** Questions from 1 to 8 carry 15 marks each.
** Question No. 9 carries 20 marks
1. (a) Define electromagnetic potentials. Express Maxwell’s equations in terms of the electromagnetic potentials. (10)
(b) Show that the gauge transforms A’ and ? ‘ satisfy the Lorentz condition if and only if the gauge functions satisfy the wave equation. (5)
OR
2. (a) Obtain an expression for Lienard-Wiechert potentials of a moving point charge. (10)
(b) Show that under Lorentz gauge E and B also satisfy the wave equation. (5)
3 .(a) Deduce the Abraham-Lorentz formula for radiation reaction and explain its significance. (10)
(b) Show that the expression of power radiated by an oscillating electric dipole leads to Larmor’s formula.
OR
4 .(a) Derive expression for the power radiated by an oscillating electric dipole. (10)
(b) Write a note on Pinch effect. (5)
5. (a) Deduce an expression for Poynting vector and discuss the importance of Poynting theorem. (10)
(b) Starting from Fresnel’s equations obtain Brewster’s law. (5)
OR
6 .(a) Obtain an expression for Clausius- Mossotti equation for electric fields in solids. (10)
(b) Write a note on retardation plates. (5)
7. (a) Give the theory of multiple reflections from a plane parallel film. (10)
(b) Note down the conditions for sustainable interference. (5)
OR
8. (a) Give a detailed description of diffraction at a circular aperture. (10)
(b) Discuss Fresnel’s diffraction in brief. (5)
Model Paper 2
Time: 3 Hours
Max. Marks: 80
Instructions :
** Questions from 1 to 8 carry 15 marks each. Question No. 9 carries 20 marks
1. (a) Define electromagnetic potentials. Express Maxwell’s equations in terms of the electromagnetic potentials. (10)
(b) Show that the gauge transforms A’ and ? ‘ satisfy the Lorentz condition if and only if the gauge functions satisfy the wave equation. (5)
OR
2. (a) Obtain an expression for Lienard-Wiechert potentials of a moving point charge. (10)
(b) Show that under Lorentz gauge E and B also satisfy the wave equation. (5)
3 .(a) Deduce the Abraham-Lorentz formula for radiation reaction and explain its significance. (10)
(b) Show that the expression of power radiated by an oscillating electric dipole leads to Larmor’s formula.
4 .(a) Derive expression for the power radiated by an oscillating electric dipole. (10)
(b) Write a note on Pinch effect. (5)
5. (a) Deduce an expression for Poynting vector and discuss the importance of Poynting theorem. (10)
(b) Starting from Fresnel’s equations obtain Brewster’s law. (5)
OR
6 .(a) Obtain an expression for Clausius- Mossotti equation for electric fields in solids. (10)
(b) Write a note on retardation plates. (5)
7. (a) Give the theory of multiple reflections from a plane parallel film. (10)
(b) Note down the conditions for sustainable interference. (5)
OR
8. (a) Give a detailed description of diffraction at a circular aperture. (10)
(b) Discuss Fresnel’s diffraction in brief. (5)
9. Answer any four of the following: ( 4X5=20)
(a) Obtain an expression for electric quadrupole moment.
(b) Show that when the velocity is zero, the Lienard-Wiechert potentials generate electrostatic potential.
(c) Obtain an expression for power radiated by an accelerated charge when its acceleration is collinear to its velocity (bremsstrahlung).
(d) Show that E- Band 2 2 2 E – c B are Lorentz invariant.
(e) Write a note on crystal polarizers.
(f) Obtain an expression for Alfven velocity of a plasma wave.
(g) Discuss in brief about spatial coherence.
(h) Discuss about resolving power of Fabry-Perot etalon.
DSP Control Sample Question Paper
Descriptive Statistics :
Max. Marks : 90
Time : 3 Hours
Section – I :
Answer any 2 questions and each question carries 15 marks :
1. Define statistics. Give the broad classification of statistical data with explanation and example if needed.
2. Explain :
a) How to draw stem and leaf diagram ?
b) How to construct boxplot ? What do you mean by outliers ?
c) What do you mean by cumulative frequencies explain (i) less than method (ii) more than method.
3. Define (i) Arithmetic mean (ii) Geometric mean (iii) Harmonic mean (iv) Median (v) Mode, and write down the advantages and disadvantages of median and mode.
4. Define (a) Scatter plot (b) Linear regression.
Section – II :
Answer any 4 questions and each question carries 10 marks :
5. Distinguish between :
a) Nominal and ordinal
b) Qualitative and quantitative
c) Discrete and continuous
d) Primary and secondary
6. Explain the meaning of classification and tabulation and its necessity.
7. Define relative frequency. How is frequency table constructed ?
8. Define all measures of location.
9. When and how is relative frequency table formed ?
10. Distinguish between the bivariate table and contingency table.
11. Point out the differences in the process of tabulation of qualitative and quantitative data.
12. Explain the requisites of a good table.
Section – III :
Answer any 4 questions and each question carries 5 marks :
13. Explain the relationship between mean, median and mode.
14. Explain weighted arithmetic mean.
15. Explain the formula for computing the regression co-efficients.
16. Write a note on scatter diagrams.
17. What are principles of least squares ?
18. Explain the purpose of classification.
19. Explain the method of constructing histogram.
20. Write a note on pie-chart