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I. The colour of light depends on its frequency II. When white light is dispersed...

Physics
JAMB 2025

I. The colour of light depends on its frequency II. When white light is dispersed by a triangular prism, yellow is deviated more than green III. Rainbows are formed when rains fall heavily. Which of the above statements is/are correct about dispersion and colours?

  • A. I and III only
  • B. I only
  • C. II and III only
  • D. I and II only
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Correct Answer: Option B
Explanation

Answer: B. I only (I true; II false, yellow deviated less than green; III false, rainbows from light refraction in drops.)

There is an explanation video available below.

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Explanation Video

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