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A diffraction grating with 2000 lines per centimeter is used to measure the wavelengths emitted by a hydrogen gas discharge tube. (a) At what angles will you find the maxima of the two first-order blue lines of wavelengths 410 and 434 nm?
- 4.A: Diffraction (Answers)
Conceptual Questions. 1. The diffraction pattern becomes...
- 4.A: Diffraction (Answers)
Conceptual Questions. 1. The diffraction pattern becomes wider. 3. Walkie-talkies use radio waves whose wavelengths are comparable to the size of the hill and are thus able to diffract around the hill. Visible wavelengths of the flashlight travel as rays at this size scale. 5.
This set of Engineering Physics Multiple Choice Questions & Answers (MCQs) focuses on “Diffraction of Light”. 1. What changes are observed in a diffraction pattern if the whole apparatus is immersed in water? a) The Wavelength of light increases b) Width of central maximum increases c) Width of central maximum decreases
4 Φεβ 2024 · FAQs on Diffraction. Question 1. What is the significance of diffraction? Solution: The bending of light gently as it travels around an object’s or opening’s edge is the basis for diffraction. It finds its applications in sound waves, telescope and microscopes. Question 2. Explain the meaning of the single slit diffraction pattern. Solution:
Diffraction of Waves. Whenever waves pass through an opening they diffract. Diffraction is the process of waves spreading out and the extent of the diffraction is dependent on the wavelength of the wave and the size of the opening they are passing through.
diffraction grating. Figure 1 shows light from a laser pointer incident normally on a small section of this diffraction grating. The grooves on this section act as adjacent slits of the transmission diffraction grating. A vertical pattern of bright spots (maxima) is observed on a circular screen behind the disc. Figure 1 1.
Questions and model answers on 8.2 Diffraction for the CIE A Level Physics syllabus, written by the Physics experts at Save My Exams.
