The figure provided is the interference pattern seen on a viewing screen behind 2 slits. Which of the following is true if the 2 slits were replaced by 40. slits having the same spacing d between adjacent slits. The number of fringes on the screen increases. The number of fringes on the screen remains constant. The number of fringes on the screen decreases.

The figure provided is the interference pattern seen on a viewing screen behind 2 slits. Which of the following is true if the 2 slits were replaced by 40. slits having the same spacing d between adjacent slits. The number of fringes on the screen increases. The number of fringes on the screen remains constant. The number of fringes on the screen decreases.

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