27. Light of wavelength 580 nm is incident on a slit having a width of 0.300 mm. The viewing scr
2.00 m from the slit. Find the width of the central bright fringe.
(A) 3.2mm
(B) 5.0mm
(C) 7.7mm
(D) 9.2mm
(E) 11.3mm
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統計: A(0), B(0), C(11), D(0), E(1) #3224673
統計: A(0), B(0), C(11), D(0), E(1) #3224673