Sree Narayana Guru College of Engineering and Technology, Payyanur
First Assignment 2006-2007
ENGINEERING PHYSICS (B)
First Assignment 2006-2007
ENGINEERING PHYSICS (B)
1.What is interference of light? Give the conditions for sustained interference. (2004)
2.Explain the phenomenon of double refraction. (2004)
3.Write a short note on Moire fringes. (2004,2005)
4.What are the differences between spontaneous and stimulated emission. (2004,2005,2006)
5.Discuss with necessary theory, the Newton’s rings experiment to determine the wavelength of monochromatic light. (2004)
6.Given the diameter of two successive bright rings in Newton’s ring experiment using the wavelength of 5890 Å as 0.02m and 0.0202m. Calculate the radius of curvature of the plano convex lens.(2004)
7.Give the analytical treatment to distinguish between plane, circular and elliptically polarised light. (2004)
8.Plane polarised light passes through a quartz plate with its axis parallel to the face. Calculate the thickness of the plate so that the emergent light may be plane polarised. The wavelength of the light is 5500 Å and for quartz, μe = 1.553 and μo = 1.542. (2004,2006)
9.What are isochromatics and isoclinics? Give the mathematical analysis of them. (2004,2005,2006)
10. Arrive at stress-optic relations for two-dimensional case. (2004,2006)
11.Describe the principle, construction and working of He-Ne laser with energy level diagram. (2004,2005,2006)
12.Explain the basic principle of Holography. Mention its applications. (2004,2005,2006)
13.Explain Fresnel’s and Fraunhoffer diffraction. (2005.2006)
14.Describe the construction of Nicol prism. (2005)
15.Explain the phenomenon of photoelasticity. (2005)
16.Find an expression for the width of the fringes obtained in the case of air wedge. How do you use the result to find the wavelength of a given monochromatic radiation? (2005)
17.An air wedge of angle 0.01 rad is illuminated by monochromatic light of 6000 Å falls normally on it. At what distance form the edge of the wedge will the 10th fringe be observed by the reflected light. (2005)
18.State Brewster’s law and explain the phenomenon of double refraction. (2006)
19.Explain the stress and strain at a point. (2006)
20.Give the theory of plane diffraction grating for normal incidence. (2006)
21.A plane grating has 5096 lines per cm. Find the angle of seperation of 5048 Å and 5016 Å lines of helium in the second order spectrum.(2006)
22.What are quarter and half wave plates? Describe how elliptically and circularly polarised light are obtained?(2006)
23.Why population inversion is essential in laser action? (2006)
24.How does holography differ from photography? (2006)
2.Explain the phenomenon of double refraction. (2004)
3.Write a short note on Moire fringes. (2004,2005)
4.What are the differences between spontaneous and stimulated emission. (2004,2005,2006)
5.Discuss with necessary theory, the Newton’s rings experiment to determine the wavelength of monochromatic light. (2004)
6.Given the diameter of two successive bright rings in Newton’s ring experiment using the wavelength of 5890 Å as 0.02m and 0.0202m. Calculate the radius of curvature of the plano convex lens.(2004)
7.Give the analytical treatment to distinguish between plane, circular and elliptically polarised light. (2004)
8.Plane polarised light passes through a quartz plate with its axis parallel to the face. Calculate the thickness of the plate so that the emergent light may be plane polarised. The wavelength of the light is 5500 Å and for quartz, μe = 1.553 and μo = 1.542. (2004,2006)
9.What are isochromatics and isoclinics? Give the mathematical analysis of them. (2004,2005,2006)
10. Arrive at stress-optic relations for two-dimensional case. (2004,2006)
11.Describe the principle, construction and working of He-Ne laser with energy level diagram. (2004,2005,2006)
12.Explain the basic principle of Holography. Mention its applications. (2004,2005,2006)
13.Explain Fresnel’s and Fraunhoffer diffraction. (2005.2006)
14.Describe the construction of Nicol prism. (2005)
15.Explain the phenomenon of photoelasticity. (2005)
16.Find an expression for the width of the fringes obtained in the case of air wedge. How do you use the result to find the wavelength of a given monochromatic radiation? (2005)
17.An air wedge of angle 0.01 rad is illuminated by monochromatic light of 6000 Å falls normally on it. At what distance form the edge of the wedge will the 10th fringe be observed by the reflected light. (2005)
18.State Brewster’s law and explain the phenomenon of double refraction. (2006)
19.Explain the stress and strain at a point. (2006)
20.Give the theory of plane diffraction grating for normal incidence. (2006)
21.A plane grating has 5096 lines per cm. Find the angle of seperation of 5048 Å and 5016 Å lines of helium in the second order spectrum.(2006)
22.What are quarter and half wave plates? Describe how elliptically and circularly polarised light are obtained?(2006)
23.Why population inversion is essential in laser action? (2006)
24.How does holography differ from photography? (2006)
LAST DATE FOR SUBMISSION: 09-02-2007
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