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What is the principle of superposition in optics?

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Question: What is the principle of superposition in optics?

Options:

  1. Light travels in straight lines
  2. Two waves can interfere to form a resultant wave
  3. Light can be polarized
  4. Light can be diffracted

Correct Answer: Two waves can interfere to form a resultant wave

Solution:

The principle of superposition states that when two or more waves overlap, the resultant displacement is the sum of the individual displacements.

What is the principle of superposition in optics?

Practice Questions

Q1
What is the principle of superposition in optics?
  1. Light travels in straight lines
  2. Two waves can interfere to form a resultant wave
  3. Light can be polarized
  4. Light can be diffracted

Questions & Step-by-Step Solutions

What is the principle of superposition in optics?
  • Step 1: Understand that waves can overlap. This means that two or more waves can exist in the same space at the same time.
  • Step 2: Recognize that each wave has a displacement, which is how far it moves from its rest position.
  • Step 3: When these waves overlap, we look at their individual displacements.
  • Step 4: The principle of superposition tells us to add these individual displacements together.
  • Step 5: The result of this addition gives us the new displacement of the combined wave.
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