My Report

Engineering Physics II Practice Test 4


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. A beam of light is allowed to fall on a Nicol Prism. The prism is rotated. If the light gets completely extinguished twice in one rotation, the nature of the light is __________

2. The working of Nicole prism is based on the phenomenon of ____________

3. The sunlight as received by the observer is __________

4. Which of the following is a unique property of laser?

5. For the production of elliptically polarized light, we need __________

6. Laser light from a 2mW source of aperture diameter 1.5 cm and wavelength 5000 Å is focused by a lens of focal length 20 cm. The intensity of the image is __________

7. Laser is used in LIDAR for what purpose?

8. When more than one mode is propagating, how is it dispersed?

9. Photons emitted by spontaneous emission are __________

10. What is the principle of fibre optical communication?


 

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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