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In a diffraction pattern, if the first minimum occurs at an angle of 30°, what is the ratio of the slit width to the wavelength?

Practice Questions

1 question
Q1
In a diffraction pattern, if the first minimum occurs at an angle of 30°, what is the ratio of the slit width to the wavelength?
  1. 1:2
  2. 1:√3
  3. √3:1
  4. 2:1

Questions & Step-by-step Solutions

1 item
Q
Q: In a diffraction pattern, if the first minimum occurs at an angle of 30°, what is the ratio of the slit width to the wavelength?
Solution: Using the condition for the first minimum a sin(30°) = λ, we find the ratio a/λ = 1/√3.
Steps: 0

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