Do the rounded question and kindly solve on paprr and send 18PMation at least point of distinct vision.(b) In a compound microscope the objective and eye-piece have focal lengthsof 9.5cm and 5cm respectively, and are kept at a distance of 20cm. The last image isformed at a distance of 25cm from eye-piece. What is the total magnification of themicroscope?9) (a) Why are Si and GaAs the preferred materials for fabricating solar cells?(b) Draw V-I characteristic of solar cell and mention its significance.10) A plane wave front propagating in a medium of refractive index ur' is incident ona plane surface making the angle of incidence i as shown in the figure. It entersinto a medium of refraction of refractive index 'puz' (uz > ui). Use Huygens'construction of secondary wavelets to trace the propagation of the refracted wavefront. Hence verify Snell's law of refraction.-3-

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Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter26: Image Formation By Mirrors And Lenses

Section: Chapter Questions

Problem 8OQ: Two thin lenses of focal lengths f1 = 15.0 and f2 = 10.0 cm, respectively, are separated by 35.0 cm...

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.

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Do the rounded question and kindly solve on paprr and send

18PMation at least point of distinct vision.
(b) In a compound microscope the objective and eye-piece have focal lengths
of 9.5cm and 5cm respectively, and are kept at a distance of 20cm. The last image is
formed at a distance of 25cm from eye-piece. What is the total magnification of the
microscope?
9) (a) Why are Si and GaAs the preferred materials for fabricating solar cells?
(b) Draw V-I characteristic of solar cell and mention its significance.
10) A plane wave front propagating in a medium of refractive index ur' is incident on
a plane surface making the angle of incidence i as shown in the figure. It enters
into a medium of refraction of refractive index 'puz' (uz > ui). Use Huygens'
construction of secondary wavelets to trace the propagation of the refracted wave
front. Hence verify Snell's law of refraction.
-3-

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