M.Phil. DEGREE EXAMINATION, NOVEMBER 2017
First Semester
Physics
RESEARCH METHODOLOGY AND DATA ANALYSES
(CBCS 2017 onwards)
Time 3 Hours Maximum 75 Marks
Section A x 5 25)
Answer any FIVE questions.
1. Bring out the importance of literature survey.
2. Compare the F-test and
3. Define Poisson's distribution. Discuss its importance in
Physics.
4. Explain interpretation of regression coefficient R2..
5. Discuss F test for small and large samples.
1
2 1 1
1 2 3
6. Give an account on the art of writing a research paper.
Sub. Code
7PPH1C1
AFS-0198
2
Ws1
Section B x 10 50)
Answer all questions by choosing either or
9. Explain the Internet, e-mail and web browsing in
the literature survey.
Or
Enumerate the various aspects of preparing and
presenting a scientific report.
a synopsis
a dissertation
a thesis
10. Explain theory and validity of chi-square test.
Or
Explain in detail mean, variance skewness, median
and mode for statistical description of data.
1
0
1 x2
dx using simpson's method.
Or
Write a Newton's-Rapson formula to obtain the cube
root of N.
12. What do you mean by probability? State and prove
of Binomial distribution.
Or
Define correlation? Explain various types of
correlation with examples.
AFS-0198
3
Ws1
13. Explain multiple linear regression models with an
example.
Or
Discuss simple linear regression model with
example.
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