Question:
Two closely located monochromatic coherent sources create a
Last updated: 6/14/2023
![Two closely located monochromatic coherent sources create a](https://media.kunduz.com/media/sug-question-candidate/20210827141110386444-3365767.jpg?h=512)
Two closely located monochromatic coherent sources create a fixed interference pattern on a screen The frequency of one of the sources is then decreased What will happen to the interference pattern as a result 1 The pattern will completely disappear 2 The fringe spacing will increase 3 The fringes will shift up or down but the spacing will remain constant 4 The fringe spacing will decrease