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Which of the following statements about total internal reflection is true?

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Question: Which of the following statements about total internal reflection is true?

Options:

  1. It can occur at any angle of incidence
  2. It requires a denser medium to be on the incident side
  3. It can occur when light travels from air to water
  4. It is a phenomenon exclusive to optical fibers

Correct Answer: It requires a denser medium to be on the incident side

Solution: 

Total internal reflection requires that the light travels from a denser medium to a rarer medium, making the second statement true.

Which of the following statements about total internal reflection is true?

Practice Questions

Q1
Which of the following statements about total internal reflection is true?
  1. It can occur at any angle of incidence
  2. It requires a denser medium to be on the incident side
  3. It can occur when light travels from air to water
  4. It is a phenomenon exclusive to optical fibers

Questions & Step-by-Step Solutions

Which of the following statements about total internal reflection is true?
Correct Answer: True
  • Step 1: Understand what total internal reflection is. It occurs when light hits the boundary between two different media (like water and air) at a certain angle.
  • Step 2: Identify the types of media involved. A denser medium (like water) has a higher refractive index than a rarer medium (like air).
  • Step 3: Remember the condition for total internal reflection. It only happens when light travels from the denser medium to the rarer medium.
  • Step 4: Check the statements given in the question. Look for the one that mentions light traveling from a denser medium to a rarer medium.
  • Step 5: Conclude that the statement about light traveling from a denser medium to a rarer medium is true, confirming the short solution.
No concepts available.
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