Solving Diffraction Grating Angle: Can it be 90°?

In summary, the conversation is discussing diffraction gratings and the measurement of the angle between center and first order/maxima. The question is whether this angle can be 90° or if it is always less than that. The formula d sin θ = nλ is referenced. The summary does not include the response to the question.
  • #1
tenzinlhazey
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Member advised to use the homework template for posts in the homework sections of PF.
You know when you have diffraction gratings, you have to measure the angle between center and first order/maxima right? My question is: can the angle be 90°? Or is it always less than that?
d sin θ = nλ

Thank you!
 
Last edited:
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  • #2
Hi tenzinlhazey and welcome to PF

:welcome:

According to the equation, the angle can be 90o. If that were the case, where would the maximum appear?
 
  • #3
kuruman said:
Hi tenzinlhazey and welcome to PF

:welcome:

According to the equation, the angle can be 90o. If that were the case, where would the maximum appear?

Aww thank you :) yes, I m not sure where would the maximum appear. :/
 

Related to Solving Diffraction Grating Angle: Can it be 90°?

1. What is a diffraction grating angle?

A diffraction grating angle is the angle at which a diffraction grating is oriented with respect to the incident light. It affects the diffraction pattern that is produced when the light passes through the grating.

2. Can the diffraction grating angle be 90°?

No, the diffraction grating angle cannot be 90°. If the angle is exactly 90°, the light would not be diffracted at all and there would be no diffraction pattern.

3. How is the diffraction grating angle determined?

The diffraction grating angle is typically determined using the grating equation, which relates the angle of diffraction to the wavelength of light and the spacing of the grating lines. It can also be determined experimentally by adjusting the angle and observing the resulting diffraction pattern.

4. Why is the diffraction grating angle important?

The diffraction grating angle is important because it affects the accuracy and clarity of the diffraction pattern produced by the grating. A properly oriented grating can produce a distinct and precise diffraction pattern, which can be used for various scientific applications.

5. Can the diffraction grating angle be adjusted?

Yes, the diffraction grating angle can be adjusted by physically rotating the grating or by changing the angle of the incident light. This can be done to optimize the diffraction pattern or to study the effects of different angles on the diffraction phenomenon.

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