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 polaroid with molecules aligned vertically would have polarization axis in the ____________

2. Which of the following shows the emergent beam correctly?

3. In Stimulated Absorption, what is the lifetime of atoms ground state?

4. What is the region enclosed by the optical cavity called?

5. Unpolarized light is incident on a polaroid of refractive index 1.2. What should be the angle of incidence such that the reflected and refracted rays are perpendicular to each other?

6. A fibre optic telephone transmission can handle more than thousands of voice channels.

7. If the thickness of a plate is 0.0032 cm, what shall be the phase retardation for a light of wavelength 5000 Å, given the principal refractive indices are 1.55 and 1.54?

8. Which of the following loss occurs inside the fibre?

9. Which of the following is not a characteristic of LASERS?

10. DVD uses the laser.


 

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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