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Question
The swimming pool appears to be less deep than it actually is. Which phenomenon is responsible for it?
The swimming pool appears to be less deep than it actually is. Which phenomenon is responsible for it?
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Solution
The correct option is C Refraction of light
When we look into a pool of water, we do not see the actual depth of the pool. We see a virtual image of the bottom of the pool. This is because, light rays from the bottom of the pool are bent away from the normal as they pass from water into the air (beacuse air is the rarer medium and water is the denser medium). This phenomenon is called the refraction of light. Due to this, the image of the bottom of the pool seems nearer to us and the pool appears less deep as shown in the figure.
Refraction of light
When we look into a pool of water, we do not see the actual depth of the pool. We see a virtual image of the bottom of the pool. This is because, light rays from the bottom of the pool are bent away from the normal as they pass from water into the air (beacuse air is the rarer medium and water is the denser medium). This phenomenon is called the refraction of light. Due to this, the image of the bottom of the pool seems nearer to us and the pool appears less deep as shown in the figure.
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