GTU BE 2019 Summer Question Papers || Gujarat Technological University
Enrollment No.______
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER-VII(NEW) EXAMINATION - SUMMER 2019
--- Content provided by FirstRanker.com ---
Subject Code:2170312
Subject Name:Medical Optics
Time:02:30 PM TO 05:00 PM
Date:27/05/2019
Total Marks: 70
--- Content provided by FirstRanker.com ---
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
| Q.1 | (a) Draw and explain a simple fiber optic system. | 03 |
| (b) What is wavefront? Brief about Characteristics of wavefront. Also write equation for speed of light in the material. | 04 | |
| (c) Explain Snell’s law. Calculate angle of refraction for given values nl=1.51, n2=1.46, $1=38°. | 07 | |
| Q.2 | (a) A light ray is traveling in a transparent material of refractive index 1.51 and approaches a second material of refractive index 1.46. Calculate the critical angle. | 03 |
| (b) What happens to the light if it approaches to the boundary at an angle less then critical angle? Explain total internal reflection. | 04 | |
| (c) Explain operation of LASER with proper schematics. Also give classification of LASER. | 07 | |
| OR | ||
| (c) Draw and explain Basic Endoscopic Imaging system. | 07 | |
| Q.3 | (a) Explain Cone of Acceptance and Numerical Aperture. | 03 |
| (b) Compare different properties of ordinary light and LASER light. | 04 | |
| (c) Explain the process of manufacturing of optical fiber. | 07 | |
| OR | ||
| (c) Explain types of scattering. | 07 | |
| Q.4 | (a) Explain transverse electromagnetic modes. | 03 |
| (b) Enlist types of interaction/occurs between LASER and tissue. Explain any two in detail. | 04 | |
| (c) Explain Micro bends. | 07 | |
| OR | ||
| (c) Explain LASER welding of tissue and LASER coagulation. | 07 | |
| Q.5 | (a) Explain application of LASER in therapy. | 03 |
| (b) Write a note on Electromagnetic Spectrum. | 04 | |
| (c) Explain effect of Dispersion on data transmission. | 07 | |
| OR | ||
| (c) Fiber optic Laser system in Neurosurgery | 07 | |
| Q.5 | (a) Explain graded index fiber. | 03 |
| (b) Explain LASER lithotripsy. | 04 | |
| (c) Explain ophthalmological application of LASER. | 07 | |
| OR | ||
| (c) What is mode? Give the formula to calculate modes in optical fiber. | 07 | |
| Q.5 | (a) Explain Rayleigh scattering and Fresnel reflection. | 03 |
| (b) Explain Fiber Optic Laser system in cardiovascular disease. | 04 | |
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE 2019 Summer Question Papers || Gujarat Technological University
--- Content provided by FirstRanker.com ---