2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper for exam preparation. Question paper for 2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper, 2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper. SiteMap
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2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper

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2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper
B.Sc. (H.S.) In Chemistry 1st Semester
2125
PAPER - Chem-105
OPTICS

Time Allowed : 3 hours

Maximum Marks : 75

Note : Attempt five questions, selecting atleast one from each section.

Section - A (Compulsory)

1.

(a) What are UV and IR sources of light?

(b) What are properties of LASER light?

(c) Give three applications of lasers?

(d) Why color of sky looks blue.

(e) What is optical activity ?

(f) Give the relation between phase and path difference.

(g) How polarizer is different from an analyzer ?

(h) What is Brewster's law ?

(i) Explain the term dispersive power.

(j) How circularly polarized light is produced ?

Section - B

2. Explain the conditions and formations of interference fringes in Young's Experiment. Also find the Fringe width.

3. Discuss the formation of interference fringes in thin films for reflected and transmitted light systems.

Section - C

4. Explain Rayleigh criterion for resolution. Write a detailed note on phase contrast microscope.

5. What is diffraction and discuss the Fraunhoffer diffraction pattern due to double slit >

Section - D

6. Explain the term specific rotation of a solution and method to find it.

7. What are plain, circularly and elliptically polarized lights and how will you produce them ?

Section - E

8. Write detailed notes on lasers and holography.

9. Discuss the details of mercury, sodium UV and IR sources of light.


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2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper for exam preparation. Question paper for 2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper, 2005 Guru Nanak Dev University B Sc Chemistry OPTICS Chem 105 Dec 2k5 Question paper