Diffraction Grating Experiment Quiz

1. What is Interference?

2. Does diffracted Waves can interfere?

3. What is spontaneous and stimulated emission process?

4. What is full form of the LASER?

5. Step to calculate the percentage error:

1. Determine the difference between the observed value and the standard value
2. divided by the standard value
3. now multiply by the 100 to change in percentage
4. use label of % in result.

6. What is the condition for constructive interference?

7. What are the Laser light characteristics ?

8. What is the standard value of Red Color wavelength in He-Ne gas LASER?

9. How to find the grating element of a given diffraction grating having 1500 Lines Per Inch (LPI)?

10. What is grating Element?

11. What is population Inversion?

12. Why do you use n lembda= d sin theta formula? What is the origin to derive this formula for this experiment?

13. What is diffraction grating?