Vinayaka Missions University 2008 B.E ENGINERING PHYSICS - Question Paper
Wednesday, 22 May 2013 05:55Web
ans all ques.
Part - A (10*2)
1.Define absorption of coefficient of a material ? Mention its unit
2.What are the differences ranging from crystalline and non crystalline materials?
3.What are the conditions for total internal reflection?
4.What is simulated emission?
5.Why the electrical conductivity of a material reduces with increase in temperature
6.What is wave function
7.What is isothermal process
8.What are the advantages and disadvantages of Forbes method?
9.What is inverse piezo-electric effect?
10.What is the principle of ultrasonic flaw detection method?
PART - B
11.a)Write in detail about the factors affecting architectural acoustics and thier remedies
OR
b.)What are the mil quantum miller indices?Write the steps for finding the Miller indices with an example
12.a)Describe the construction and working of CO2 laser with neat diagram
OR
b.)Explain the classification of optical fibres and also discuss the modes of propagation of various fibres.
13.a)Briefly discuss the quantum theory of radiation proposed by Planck and mention its sucess
OR
b.)Describe the cycle of operations involved in a ideal otto engine along with its efficiency
14.a)How will u obtain thermal conductivity of rubber tube and glass?
OR
b.)Describe the experiment to verify compton effect?
15.a)What is piezo electric effect ?Explain with a neat circuit the generation of ultrasonic using a piezo electric oscillator
OR
b.)Briefly discuss the principle of X-ray radiography.Explain displacement techniquesto detect flaws by X-rays
Earning: Approval pending. |