Engineering Physics MCQs - Chapter 24

Optical Diffraction Multiple Choice Questions (MCQs) PDF Download - 1

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The Optical Diffraction Multiple Choice Questions (MCQs) with Answers PDF (Optical Diffraction MCQs PDF e-Book) download Ch. 24-1 to study Engineering Physics Course. Practice Circular Aperture Diffraction MCQs, Optical Diffraction trivia questions and answers PDF for online engineering programs. The Optical Diffraction MCQs App Download: Free learning app for x-ray diffraction, diffraction by a single slit, gratings: dispersion and resolving power career test for online graduate programs.

The Multiple Choice Question (MCQ): Diffraction pattern of circular disc shaped intermediate dark and bright fringes with a central bright spot, formed when light passes through a small circular aperture, is called; "Optical Diffraction" App Download (Free) with answers: Curved Aperture Diffraction; Circular Aperture Diffraction; Triangular Aperture Diffraction; Rectangular Aperture Diffraction; for online engineering programs. Solve Electric Potential Quiz Questions, download Google eBook (Free Sample) for online engineering programs.

Optical Diffraction MCQs with Answers PDF Download: MCQ Quiz 1

MCQ 1:

Diffraction pattern of circular disc shaped intermediate dark and bright fringes with a central bright spot, formed when light passes through a small circular aperture, is called

Circular Aperture Diffraction
Curved Aperture Diffraction
Triangular Aperture Diffraction
Rectangular Aperture Diffraction

MCQ 2:

In Bragg's Law, angle of incident and reflection is called

Bragg's angle
Manchest angle
Dual angle
Newton;s angle

MCQ 3:

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 4:

If θ is angular separation of two lines whose wavelength differ by Δλ, then dispersion is equals to

Δλ/Δθ
Δθ/Δλ
Δθ/2Δλ
ΔθxΔλ

MCQ 5:

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

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