A beam of monochromatic light illuminates a slit of width w and forms a diffraction pattern on a screen located a distance D ≫ w from the slit. For which color of incident light is the width of the central band greater? blue yellow both are equal

Question

Physics

Elaina Nielsen

6 September, 10:27

A beam of monochromatic light illuminates a slit of width w and forms a diffraction pattern on a screen located a distance D ≫ w from the slit. For which color of incident light is the width of the central band greater? blue yellow both are equal

+2

Answers (1)

Know the Answer?

Brendan Spencer · Answer 1

Yellow

Explanation:

Yellow light has lesser energy than blue light, this means blue light has a much smaller wavelenght. For the width of the central band to be greater, the wavelenght has to be more, and yellow light has a much larger wavelenght