My Report

Engineering Physics II Practice Test 3


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. In x lenses are used in Fraunhofer diffraction and y in Fresnel Diffraction, x – y is ________

2. The expression for the maximum number of orders in a grating spectrum is given by ____________

3. How shall a diffraction pattern change when white light is used instead of a monochromatic light?

4. In Fresnel diffraction, the relative phase difference between the curved wavefront is ___________

5. Do the spectra observed by grating and prism depends on the nature of the material?

6. In Double Slit Fraunhofer Diffraction, some orders of interference pattern are missing. It is called ____________

7. A diffraction pattern is obtained with a straight edge using light of wavelength 5500 Å. The separation between the edge and the source is 15 cm while that between the edge and the eyepiece is 3 m. What is the position of the first maximum?

8. If the phase difference between two rays is π/2 and the angle of incidence is equal to π/4, the emergent light is __________

9. In Fresnel diffraction, the relative phase difference between the curved wavefront is ________

10. Sound waves cannot be diffracted.


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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