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Q: When we observe the floor of a swimming pool filled with water we notice that the pool looks:
  • A. More wider than it actually is
  • B. less wide than it actually is
  • C. deeper than it actually is
  • D. less deep than it actually is
Correct Answer: Option D - When we look into a swimming pool of water we do not see the actual bottom of the pool. This is because the light rays from the bottom of the pool are bent away from the normal as they pass from water into the air, This phenomenon is called refraction of light due to which depth of swimming pool appear to be shallower than the actual.
D. When we look into a swimming pool of water we do not see the actual bottom of the pool. This is because the light rays from the bottom of the pool are bent away from the normal as they pass from water into the air, This phenomenon is called refraction of light due to which depth of swimming pool appear to be shallower than the actual.

Explanations:

When we look into a swimming pool of water we do not see the actual bottom of the pool. This is because the light rays from the bottom of the pool are bent away from the normal as they pass from water into the air, This phenomenon is called refraction of light due to which depth of swimming pool appear to be shallower than the actual.