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Physics - General Science Objective Questions and Answers for Competitive Exams

Q.

What is the wavelength of visible spectrum?

[A] 1300A0-3000A0
[B] 3900A0-7600A0
[C] 7800A0-8000A0
[D] 8500A0-9800A0

Answer & Explanation

Answer: Option [B]

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