File Details:

Questions:

1. What are coherent sources?
2. Define inertial and non-inertial frames.
3. Write any four properties of Laser.
4. What do you mean by diffraction?
5. Name different types of moving coil and moving iron instruments.
6. What are the differences between spontaneous and stimulated emission?
7. Define time dilation, and derive the formula for time dilation.
8. Explain the meaning of reactive power and power factor in AC (steady state) circuits.
9. What are Newton's rings? How are they formed? Prove that in reflected light, diameters of bright rings are proportional to the square root of odd natural numbers.
10. Define specific rotation. Describe the construction and working of Laurent's half shade polarimeter.
11. Write the basic postulates of the special theory of relativity and deduce the Lorentz transformations from the postulates.
12. State and prove the Maximum Power Transfer Theorem.
13. Describe the construction and working of a ruby laser (three-level laser) with necessary diagrams.