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What is magnifying power of an astronomi...

What is magnifying power of an astronomical telescope? Draw the necessary ray diagram of the final image at distinct vision by an astronomical telecope.

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R G PUBLICATION-RAY OPTICS AND OPTICAL INSTRUCMENTS-EXERCISE
  1. Why is a photodiode preferable used in the reverse bias condition for ...

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  2. An object is placed at the focus of Convex lens. Where will the image ...

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  3. What is magnifying power of an astronomical telescope? Draw the necess...

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  4. Draw a ray diagram to show the formation of final image by a compound ...

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  5. Draw the ray diagram to show the formation of real and virtual image i...

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  6. Establish the following relation for total deviation delta of a ray li...

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  7. State two important differences between interference and diffraction.

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  8. Two lenses of powers +5D and - 3D are in contact: Find the focal lengt...

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  9. Deduce the relation 1/v-1/u=1/f for a concave lens.

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  10. An object is placed 30cm away from a concave lens of focal length 15cm...

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  11. Draw a ray diagram to show the formation of final image at least dista...

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  12. Draw a ray dioagram for the formation of an image by a reflecting tele...

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  13. Derive the expression for the equivalent focal length of a combination...

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  14. Deduce the relation 1/v-1/u=1/f for a concave lens.

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

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  16. A man stands on vertical tower of height 20m. Calculate the distance u...

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

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  18. The objective lens and eye piece lens of a Compound microscope have fo...

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  19. Establish the lens maker's formula for a biconvex lens.

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  20. Two identical equiconvex lenses of refractive index 3/2 and focal leng...

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