Jawaharlal Nehru Technological University, Hyderabad B.Tech Computer Science and Engineering 1st year Mid examination Question paper of JNTUH Question paper

1.A)What are the characteristics of a laser?
B)Write applications of laser in medical field?

2.A)Explain Ferro and peizo electricity?

3.A)What is total internal reflection?Give the structure of optical fibre?
B)Given refractive indices of core and clad are 1.54 and 1.50,what is N.A and acceptance angle?

4.What is superconductivity?Explain Type 1 and Type 2 superconductors?

5.What is a nano material?Explain briefly about Nano science and Nano technology?