VSM COLLEGE OF ENGINEERING- Ramachandrapuram
(AUTONOMOUS)
I-II ENGINEERING PHYSICS QUESTION BANK
(CSE&EEE)
Unit-l
SHORT ANSWER QUESTIONS
1. What is interference?
2. Explain colours in thin films?
3. What is diffraction?
4. What is polarization?
5. What is Half Wave & Quarter Wave Plates ?
6. Explain Bruesters law ?
ESSAY QUESTIONS
1. Define Interference in Thin Films ?
2. Determine the Wave Length of given light Using Newton Ring
3. Explain Super Position Of Waves With Equal Frequency ?
4. Derive Franhofur Difraction Due To Single Slit ?
5. What is double refraction derive using Nicols prism ?
PROBLEMS
1.When Newton's rings are observed in the reflected light of wavelength 5.9x10- 5
cm, the diameter of the 10th dark ring is found to be 0.50cm. Find the radius of
curvature of the lens and thickness of the air film?
2.In Newton's ring experiment, the diameter of the 5th ring is 0.30 cm, and the
diameter of the 15th ring is 0.62cm. Find the diameter of the 25th ring.
(AUTONOMOUS)
I-II ENGINEERING PHYSICS QUESTION BANK
(CSE&EEE)
Unit-l
SHORT ANSWER QUESTIONS
1. What is interference?
2. Explain colours in thin films?
3. What is diffraction?
4. What is polarization?
5. What is Half Wave & Quarter Wave Plates ?
6. Explain Bruesters law ?
ESSAY QUESTIONS
1. Define Interference in Thin Films ?
2. Determine the Wave Length of given light Using Newton Ring
3. Explain Super Position Of Waves With Equal Frequency ?
4. Derive Franhofur Difraction Due To Single Slit ?
5. What is double refraction derive using Nicols prism ?
PROBLEMS
1.When Newton's rings are observed in the reflected light of wavelength 5.9x10- 5
cm, the diameter of the 10th dark ring is found to be 0.50cm. Find the radius of
curvature of the lens and thickness of the air film?
2.In Newton's ring experiment, the diameter of the 5th ring is 0.30 cm, and the
diameter of the 15th ring is 0.62cm. Find the diameter of the 25th ring.