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 e-Book) download Ch. 24-1 to study Engineering Physics Course. Practice Circular Aperture Diffraction MCQs, Optical Diffraction trivia questions and answers PDF to prepare for job interview. 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 engineering 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" and "Rectangular Aperture Diffraction" for online graduate programs. Solve Electric Potential Quiz Questions, download Google eBook (Free Sample) for online engineering programs.

## Optical Diffraction Questions & 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