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Draw a ray diagram for the formation of ...

Draw a ray diagram for the formation of image by a compound microscope.

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(a) Draw a labelled ray diagram showing the formation of a final image by a compound microscope at least distance of distinct vision. (b) The total magnification produced by a compound microscope is 20. The magnification produced by the piece is 5. The microscope is focused on a certain object. The distance between the objective and eyepiece is observed to be 14cm. If least distance of distinct vision is 20cm, calculate the focal length of the objective and the eye piece.

Draw a labelled ray diagram for the formation of image by a convex lens of focal length 15 cm when the object is placed at a distance of 25 cm from the lens. Determine the size of the image formed, if size of the object is 4 cm.

Write the ray diagram for formation of image in the simple microscope.

State the rules used fro drawing ray diagrams for the formation of an image by a concave lens.

MODERN PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Revision Exercises (Short Answer Questions)
  1. Two monochromatic rays of light are incident normally on the face AB o...

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  2. Obtain an expression for the combined focal length for two thin convex...

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  3. लेंस समीकरण (1)/(v) -(1)/(u) =(1)/(f) की सहायता से दर्शाइए कि अवतल ल...

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  4. A ray of light falling at an angle of 50^@ is refracted through a pris...

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  5. How does angle of deviation vary with the angle of incidence in case o...

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  6. Sky appears blue in colour. Explain.

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  7. Why does the sun appear red at sunset ?

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  8. Why does the Sun visible before the actual sunrise and sunset look red...

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  9. Why is there no dispersion of light refracted through a rectangular gl...

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  10. Eye is more sensitive to yellow colour but danger signals are made wit...

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  11. A convex lens of focal length 20 cm and a concave lens of focal length...

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  12. What is hypermetropia (far-sightedness) ? What are its causes ? How ca...

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  13. Calculate the radius of the curvature an equi-concave lens refrective ...

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  14. An equilateral glass prism has a refrective index 1.6 in air. Calculat...

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  15. What is astigmatism ? How can it be removed ?

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  16. Draw a ray diagram for the formation of image by a compound microscope...

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  17. Objective of a compound microscope should have small focal length. Why...

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  18. Draw a schematic ray diagram of reflecting telescope showing how...

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  19. अपवर्ती दूरदर्शी का नामांकित किरण आरेख खीचिए | इसकी आवर्धन क्षमता को प...

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  20. (a) Show using a proper diagram how unpolarised light can be linearly...

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