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Two thin converging lenses of focal lent...

Two thin converging lenses of focal lenths 15 cm and 30 cm are held in contact with each other.Calculate power and focal length of the combination.

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MODERN PUBLICATION-REFRACTION OF LIGHT-EXERCISE
  1. Two thin converging lenses of focal lenths 15 cm and 30 cm are held in...

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  2. Explain the phenomenon of refraction at a plane surface separating two...

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  3. Define refractive index in terms of velocity of light?

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  4. Prove the Relation : "^amub =1/("^bmua)

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  5. When a ray of light passes through a parallel slab of transport medium...

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  6. What is meant by lateral shift ?Explain for a given slab,what is the q...

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  7. Discuss refraction through a glass slab and show that emergent ray is ...

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  8. State generalized Snell's law for refration through multiple parallel ...

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  9. Show that apparent depth of a water tank is less than real depth.

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  10. Find relation for refractive index in terms of real depth and apparent...

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  11. What is normal shift?Explain.Obtain he expression for normal shift .In...

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  12. Write the conditions for total internal reflection to takeplace?

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  13. Obtain a relation between a critical angle and refractive index of med...

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  14. Obtain a relation between a critical angle and refractive index of med...

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  15. Obtain a relation between a critical angle and refractive index of med...

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  16. Obtain a relation between a critical angle and refractive index of med...

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  17. Write the conditions for total internal reflection to takeplace?

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  18. Explain total internal reflection. What are its conditions?

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  19. Obtain a relation between a critical angle and refractive index of med...

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  20. State the condition of total internal reflectoin to take place at an i...

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  21. Define critical angle for total internal reflection.

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