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# Diffraction by a Single Slit MCQ Quiz Online

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Practice Diffraction by a Single Slit Multiple Choice Questions (MCQ), Diffraction by a Single Slit quiz answers PDF to learn engineering physics online course for engineering physics classes. Optical Diffraction Multiple Choice Questions and Answers (MCQs), Diffraction by a Single Slit quiz questions for online college admission. "Diffraction by a Single Slit MCQ" PDF Book: gratings: dispersion and resolving power, diffraction by a single slit, x-ray diffraction, circular aperture diffraction test prep for associate degrees in engineering.

"If wave's first side diffraction maximum is 15° and is coinciding with first minimum of red light, then wavelength of light is" MCQ PDF: diffraction by a single slit with choices 430 nm, 120 nm, 350 nm, and 1200 nm for online college admission. Learn diffraction by a single slit quiz questions for merit scholarship test and certificate programs for engineering associate's degree online.

## MCQs on Diffraction by a Single Slit Quiz

MCQ: If wave's first side diffraction maximum is 15° and is coinciding with first minimum of red light, then wavelength of light is

430 nm
120 nm
350 nm
1200 nm

MCQ: If a slit of width 'a' is illuminated by white light, then value of 'a' at which the first minimum for red light of wavelength 650 nm appears at θ=15°, is

25 µm
2.5 µm
250 µm
25 m

MCQ: If 'a' is single slit width and θ is angle of first dark fringle, then path length difference in single slit diffraction is equals to

asinθ
acosθ
atanθ
acotθ

MCQ: In a single slit diffraction experiment, dark fringles are produced where the path length differences between top and bottom rays are

90° shift with each other
180° shift with each other
120° shift with each other
equal