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CGP EDU Academic Team
Published on: August 14, 2026
Light of wavelength 587.5 nm illuminates a slit of width 0.75 mm . At what distance from the slit should a screen be placed (approximately) if the first minimum in the diffraction pattern is to be 0.85 mm from the central maximum?
Text Solution
Verified by ExpertsThe correct answer is:
C
According to Equation 38.1, dark bands (minima) occurs where 
For the first minimum, 
, and the distance from the center of the central maximum is
Thus, the needed distance to the screen is
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