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. What is the condition for constructive interference?

 
 
 
 

2. 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.
 
 

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

 

 
 
 
 

4. What are the Laser light characteristics ?

 
 
 
 

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

 
 
 
 

6. What is full form of the LASER?

 
 
 
 

7. What is grating Element?

 
 
 
 

8. What is spontaneous and stimulated emission process?

 
 
 
 

9. What is population Inversion?

 
 
 
 

10. Does diffracted Waves can interfere?

 
 
 
 

11. What is diffraction grating?

 
 
 
 

12. What is Interference?

 
 
 
 

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

 

 
 
 
 

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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