Which of the following represents ultraviolet light of wavelengths which are potentially injurious (1 Å = 10-10m)

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Q. Which of the following represents ultraviolet light of wavelengths which are potentially injurious (1 Å = 10-10m)

(A) 2000 to 3200Å
(B) 3200 to 4000 Å
(C) 4000 to 4600Å
(D) 4600 to 5200 Å

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✅ Correct Answer: (A) 2000 to 3200Å

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