[AHS 0321] MARCH 2021 Sub. Code: 2733
(AUGUST 2020 EXAM SESSION)
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B.OPTOM
FIRST YEAR (Regulation 2018-2019)
PAPER III - PHYSICAL AND GEOMETRICAL OPTICS
O.P. Code : 802733
Time: Three hours Answer ALL Questions Maximum: 100 Marks
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I. Elaborate on: (3 x 10 = 30)
- Explain the application of LASER in ophthalmology and medicine.
- Describe the Newton’s rings experiment and how it is used to determine the refractive index of a liquid.
- Classification of myopia and its correction.
II. Write notes on: (8 x 5 = 40)
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- Aphakia
- Types of lenses according to shape.
- Raman effect
- Total internal reflection
- Double refraction
- Population inversion
- Properties of cylindrical lenses
- Glare effect.
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III. Short answers on: (10 x 3 = 30)
- Dual natures of light.
- Emmetropia.
- Photoelectric effect.
- Field of view.
- Laws of refraction.
- Presbyopia.
- Polarization of light.
- Laser pumping.
- Vergence
- Dispersion of light.
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