UNIT BASED ONLINE EXTERNAL EXAMINATION - OCTOBER – 2020 - MECHANICS AND RELATIVITY - 7BPH1C2 - SLOT II SEMESTER I

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ALAGAPPA UNIVERSITY
KARAIKUDI – 630 003
UNIT BASED ONLINE EXTERNAL EXAMINATION - NOVEMBER – 2020

FIRST SEMESTER SLOT – II

MECHANICS AND RELATIVITY - 7BPH1C2

Total Marks: 25                                                                                            Time: 1.0 Hr

SECTION A – SHORT ANSWER - 5 x 2 = 10 Marks

ANSWER ALL THE QUESTIONS

1. Write about Galilean transformation.

2. What is time dilation?

3. What is the basic assumption of Michelson-Morley experiment?

4. Give the postulates of special theory of relativity.

5. Write any two phenomena that uses mass energy relation.

 

SECTION B - DESCRIPTIVE - 3 x 5 = 15 Marks

ANSWER ANY THREE

6. Describe the Michelson-Morley experiment and discuss its’ result

7. Write in detail about Lorentz transformation equations.

8. Explain the length contraction and time dilation.

9. Describe the relativistic velocity addition.

10. Derive an expression for Einstein’s mass-energy relation.