Q. In electro - magnetic radiation, which of the following has greater wave - length than visible light
A) Infra - red rays
B) Ultra -violet rays
C) x-rays
D) Cosmic rays
✔ Correct Answer: Infra - red rays
Exam Insight
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A) Infra - red rays
B) Ultra -violet rays
C) x-rays
D) Cosmic rays
✔ Correct Answer: Infra - red rays
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