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Why does ray of light passing through th...

Why does ray of light passing through the centre of curvature of a concave mirror gets reflected along the same path (ray retraces its path) ?

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A ray of light passing through the curvature of a convave mirror is reflected back along the same path because it strikes the concave mirror at right angles to its surface due to which the angle of incidence and angle of reflection both are zero degree.
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ZEN PUBLICATION-LIGHT - REFLECTION AND REFRACTION-ZEN ADDITIONAL QUESTIONS SECTION (VERY SHORT ANSWER TYPE QUESTIONS) VSA
  1. A convex lens is immersed in a container of water. Will this cause a c...

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  2. When a light ray emerges out after refraction at a rectangular glass s...

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  3. Define the following terms in the context of spherical mirrors : (...

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  4. What is the minimum distance between an object and its real image in t...

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  5. Why does ray of light passing through the centre of curvature of a con...

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  6. When a light ray is incident normally on a mirror. What is its angle o...

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  7. What is the relation between focal length of a spherical mirror and it...

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  8. Express the relation between the power (P) and the focal length of a l...

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  9. List the important factor on which the ability of a lens to converge o...

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  10. A light ray travelling from medium 1 to medium 2, does not suffer refr...

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  11. What do you understand from the term 'Refractive index' of a medium or...

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  12. Lens X has focal length 20 cm and lens Y has focal length 40 cm. Which...

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  13. Concave mirrors A and B each focal length - 15 cm. Concave mirror A ha...

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  14. A convex lens has a focal length 15 cm. A student obtains a clear shar...

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  15. Can we find the focal length of a concave lens using the distant objec...

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  16. A concave mirror is dipped in vessel containing kerosene. Will this af...

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  17. What is the kind of mirror used by an ENT specialist to examine the ea...

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  18. A convex lens is immersed in a container of water. Will this cause a c...

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  19. When a light ray emerges out after refraction at a rectangular glass s...

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  20. Define the following terms in the context of spherical mirrors : (...

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