48. Light of wavelength 500 nm illuminates a round 0.50-mm diameter hole. A screen is placed 6.3 mbe
問題詳情
48. Light of wavelength 500 nm illuminates a round 0.50-mm diameter hole. A screen is placed 6.3 mbehind the slit. What is the diameter of the central bright area on the screen? (A) 15 mm (B) 270 μm (C) 7.7 mm (D) 3800 μm (E) 5 mm.