Exam-style question
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What is the purpose of investigating interference effects using light in a practical experiment?.
- A.To measure the speed of light.
- B.To observe the behavior of sound waves.
- C.To demonstrate wave-particle duality.
- D.To analyze the properties of light waves.
Model answer
What a good answer should say
- To analyze the properties of light waves..
- the correct option
Explanation
Why this works
The correct answer is To analyze the properties of light waves.. This supports Required practical 2: investigate interference effects using light.
in Interference because it uses the required wave or optics principle directly. The other options are less suitable because they confuse a different wave quantity, diagram feature, or boundary condition.
Common mistake
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