Lakshya Education MCQs

Question: A pond of water appears less deep due to
Options:
A.Reflection
B.Diffraction
C.Refraction
D.Polarisation
Answer: Option C

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More Questions on This Topic :

Question 1. What is refractive index ?
  1.    It is defined as the ratio of speed of light in the medium to the speed of light in vacuum.
  2.    It is defined as the product of speed of light in medium and in vacuum.
  3.    It is defined as the ratio of speed of light in vacuum to the speed of light in the medium.
  4.    None of above
Answer: Option C
Question 2. A star appears twinkling in the sky because of
  1.    Scattering of light by atmosphere
  2.    Reflection of light by atmosphere
  3.    Refraction of light by atmosphere
  4.    Diffraction of light by atmosphere
Answer: Option C
Question 3. Time of exposure required for taking photograph of an object depends upon the
  1.    Brightness of the object
  2.    Skill of photographer
  3.    Proximity of object
  4.    Size of the object
Answer: Option A
Question 4. Which color deviates least when passing through a Prism
  1.    Blue
  2.    Green
  3.    Yellow
  4.    Red
Answer: Option D
Question 5. Which color deviates highest when passing through a Prism
  1.    Indigo
  2.    Green
  3.    Violet
  4.    Orange
Answer: Option C
Question 6. The increasing order of the refractive index of certain materials is (left to right) ________
  1.    Rocksalt, Benzene, Kerosene, Ice
  2.    Rock Salt, Ice, Benzene, Kerosene
  3.    Ice, Kerosene, Benzene, Rock Salt
  4.    Kerosene, Ice, Benzene, Rock Salt
Answer: Option C

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