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For the same value of angle of incidence...

For the same value of angle of incidence, the angles of refraction in three media A, B and C are `15^(@), 25^(@) and 35^(@)` respectively. In which medium would the velocity of light be minimum?

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For the same angle of incidence, the angles of refraction in three different media A, B and C are 15^(@), 25^(@) and 35^(@) respectively. In which medium, will the velocity of light be minimum ?

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How are the angle of incidence and angle of refraction related to each other when : (a) a ray of light travels from rare to dense medium, (b) a ray of light travles from dense to rare medium ?

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The velocities of light in two different media are 2* 10^8 m/s and 2.5 * 10^8 m/s respectively.The critical angle for these media is

RESONANCE ENGLISH-GEOMATRICAL OPTICS -Exercise-3
  1. The far point of a myopic person is 80 cm in front of the eye. What is...

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  2. (a) (i) Draw a labelled ray diagram to show the formation of image in ...

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  3. (a) Draw the ray diagram showing the geometry of formation of the imag...

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  4. The image obtained with a convex lens is erect and its length is 4 tim...

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  5. A converging lens is kept coaxially in contact with a diverging lens -...

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  6. Draw a ray diagram to show the working of a compound microscope. Deduc...

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  7. An astronomical telescope has an objective of focal length 20 cm and a...

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  8. A convex lens made up of glass of refractive index 1.5 is dipped, in t...

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  9. Use the mirror equation to deduct that : (a) an object between f and...

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  10. A gaint refracting telescope at an observatory has an objective lens o...

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  11. A beam of light converges at a point P. Now a lens is placed in the pa...

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  12. For the same value of angle of incidence, the angles of refraction in ...

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  13. Define magnifying power of a telescope. Write its expression. A smal...

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  14. An object AB is kept in front of a concave mirror as shown in the figu...

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  15. You are given three lenses L(1),L(2) and L(3) each of focal length 20 ...

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  16. Describe a reflecting type telescope. What are its advantage over the ...

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  17. Which type of lens is used to correct astigmatisum ?

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  18. A biconcave lens made of a transparent material of refractive index 1...

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  19. Two monochromatic ray of light are incident normally on the face AB of...

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  20. A convex lens of focal length 20cm is placed coaxilly with a convex mi...

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