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Light Test - 12

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Light Test - 12
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Weekly Quiz Competition
  • Question 1
    1 / -0
    In which direction is the shadow of an object formed?
  • Question 2
    1 / -0
    An image formed in front of the mirror is
  • Question 3
    1 / -0
    Line passing through the pole and the centre of curvature of spherical mirror is called
  • Question 4
    1 / -0
    In a convex mirror, the object lies between pole and infinity. The image formed is
  • Question 5
    1 / -0
    If the magnification has a negative sign, the image is ________ and ________.
  • Question 6
    1 / -0
    How many images are formed for a point source kept in between two plane mirrors M1 and M2 at right angles to each other?
  • Question 7
    1 / -0
    Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
  • Question 8
    1 / -0
    What will be the image of the word `POLEX` in a plane mirror?
  • Question 9
    1 / -0
    The refractive index of glass is 1.5, which means that
  • Question 10
    1 / -0
    The figures shown below represent three cases of a ray passing through a prism of reflecting angle A. In which of the following cases is the minimum deviation observed?

  • Question 11
    1 / -0
    On which of the following factors does the dispersive power of a prism depend?
  • Question 12
    1 / -0
    On which of the following factors does the lateral displacement not depend?
  • Question 13
    1 / -0
    The point on a lens where a ray of light suffers no deviation on passing through is called the
    Solution
    The point on a lens where a ray of light suffers no deviation on passing through is called the optical centre.
  • Question 14
    1 / -0
    A ray of light incident on a lens parallel to its principal axis, after refraction passes through or appears to come from
  • Question 15
    1 / -0
    A parallel beam of light passing through a convex lens
  • Question 16
    1 / -0
    What is the range of wavelength of the spectrum of white light?
  • Question 17
    1 / -0
    In white light of sun, for which colour is the scattering by the air molecules present in the earth`s atmosphere the maximum?
  • Question 18
    1 / -0
    Which of the following statements is incorrect?
  • Question 19
    1 / -0
    The opening in the eye that regulates the amount of light entering the eye is called
  • Question 20
    1 / -0
    The unit of refractive index is
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