Engineering Courses

Chapter 24: Engineering Physics Exam Tests

Engineering Physics MCQs - Chapter 24

Books:

Apps:

The Optical Diffraction Multiple Choice Questions (MCQs) with Answers PDF, Optical Diffraction MCQs PDF Download e-Book 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 Quiz): 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 Questions and Answers : 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

1. Circular Aperture Diffraction
2. Curved Aperture Diffraction
3. Triangular Aperture Diffraction
4. Rectangular Aperture Diffraction
MCQ 2:

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

1. Bragg's angle
2. Manchest angle
3. Dual angle
4. 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

1. 430 nm
2. 120 nm
3. 350 nm
4. 1200 nm
MCQ 4:

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

1. Δλ/Δθ
2. Δθ/Δλ
3. Δθ/2Δλ
4. 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

1. 25 µm
2. 2.5 µm
3. 250 µm
4. 25 m