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Refraction Thro...

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  • Question 1
    1 / -0

    What kind of image is formed by a magnifying glass?

  • Question 2
    1 / -0

    What do you mean by centre of curvature?

  • Question 3
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    Which of the following is not true regarding the focal length of a lens?

  • Question 4
    1 / -0

    What is true about lens and image formed by a telescope?

  • Question 5
    1 / -0

    What do you mean by optical centre of a lens?

  • Question 6
    1 / -0

    Which of the following is not correct about the usage of lenses?

  • Question 7
    1 / -0

    If object is put at a distance of 10 cm from the focus of a convex lens of 20 cm, what will be the distance of the real image formed by the lens?

  • Question 8
    1 / -0

    What do you mean by principal axis?

  • Question 9
    1 / -0

    Which of the following statements is true?

  • Question 10
    1 / -0

    What will happen to the focal length of a lens if half part of it is covered with some coating?

  • Question 11
    1 / -0

    Which of the following can form the virtual and small image of an object?

  • Question 12
    1 / -0

    What is the nature of an image formed by a concave lens?

  • Question 13
    1 / -0

    In case of a convex lens of focal length C, what is the minimum distance between the position of the object and the point where image formation takes place?

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