Question 1
Sketch the schematic of surface emitting and edge emitting LED and discuss.
Question 2:
Illustrate out the construction and working of PIN photodiode.
Question 3:
Sketch the circuit diagram of high impedance pre amplifier and explain its operation.
Question 4:
Illustrate the applications of Lasers in dentistry.
Question 5:
Discuss in detail photo thermal& photochemical applications of Laser.