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Light Reflectio...

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  • Question 1
    1 / -0

    The image of a bright object is brought on a screen with the help of a concave mirror. If the upper half of the concave mirror is covered, the effect on the image will be:

  • Question 2
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    For experimentation, the principal axis of the lens should be:

  • Question 3
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    The nature of image formed by a mirror is not affected by the position of the object. The mirror is:

  • Question 4
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    A spherical mirror and thin spherical lens - each have a focal length of -15 cm. It is likely that:

  • Question 5
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    Name the type of image that can be obtained on a screen.

  • Question 6
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    When two lenses of powers +4 D and -3 D are placed in contact, the power of the resultant lens is:

  • Question 7
    1 / -0

    At the point of emergence, the angle of emergence is measured with respect to the:

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