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In a diffraction grating, if the number of slits is increased, what happens to the angular width of the principal maxima?

Practice Questions

1 question
Q1
In a diffraction grating, if the number of slits is increased, what happens to the angular width of the principal maxima?
  1. Increases
  2. Decreases
  3. Remains the same
  4. Becomes zero

Questions & Step-by-step Solutions

1 item
Q
Q: In a diffraction grating, if the number of slits is increased, what happens to the angular width of the principal maxima?
Solution: Increasing the number of slits increases the sharpness of the maxima, thus decreasing the angular width.
Steps: 0

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