Diffraction Grating Experiment Quiz

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Diffraction Grating Experiment: In this experiment we find the wavelength of the LASER light

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

 
 
 
 

2. What is the condition for constructive interference?

 
 
 
 

3. 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.
 
 

4. What is population Inversion?

 
 
 
 

5. What is grating Element?

 
 
 
 

6. What is spontaneous and stimulated emission process?

 
 
 
 

7. What are the Laser light characteristics ?

 
 
 
 

8. What is Interference?

 
 
 
 

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

 

 
 
 
 

10. What is full form of the LASER?

 
 
 
 

11. Does diffracted Waves can interfere?

 
 
 
 

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?

 
 
 
 

Question 1 of 13

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Dr Sushil Kumar
Dr. Sushil Kumar, a physicist, an eminent researcher and a teacher for the benefit of students and fellow physicists alike. Apni Physics is an effort to create a better platform and also to help the students to be able to have content at their hands whenever they want, online. Dr. Sushil continues to upload his lectures and post articles about latest researches in physics, academic, physics education, and also lessons about daily life and how physics define every aspect of our everyday movement and life.

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