What phenomenon explains why a straw appears bent when placed in a glass of wate

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Question: What phenomenon explains why a straw appears bent when placed in a glass of water? (2020)

Options:

Correct Answer: Refraction

Exam Year: 2020

Solution:

Refraction is the bending of light as it passes from one medium to another, which causes the straw to appear bent in water.

What phenomenon explains why a straw appears bent when placed in a glass of water? (2020)

What phenomenon explains why a straw appears bent when placed in a glass of water? (2020)

Step 1: Understand that light travels in straight lines in the air.
Step 2: Know that when light moves from air into water, it changes speed.
Step 3: Realize that this change in speed causes the light to bend, a process called refraction.
Step 4: When you look at the straw in the water, the light from the straw bends as it moves from water to air.
Step 5: This bending of light makes the straw look like it is in a different position, which is why it appears bent.

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