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Light Reflectio...

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  • Question 1
    1 / -0

    The second law of refraction is also named after its discoverer as :

  • Question 2
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    The focal length is the distance from the optical center of the lens to its principal _________

  • Question 3
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    Fill in the blank. 

    A _____ is a piece of transparent glass bounded by two spherical surfaces. 

  • Question 4
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    The center of the lens is called :

  • Question 5
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    The second law of reflection states that the incident ray, the refracted ray, and the normal at the point of incidence, all lie in the ................ plane.

  • Question 6
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    A small bulb is placed at the focal point of a converging lens. When the bulb is switched on, the lens produces

  • Question 7
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    What is the shape of lens C as shown in figure ?

  • Question 8
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    Which of the following rays diagrams is correct for the ray of light incident on a lens shown in figure ?

  • Question 9
    1 / -0

    .......... happens when a wave passes from one medium to another at an angle.

  • Question 10
    1 / -0


    From the shown figure, name the lens which is plano-concave :

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