Question

plz


Band width for red light of wavelength 6400 A is 0.32 mm. If red light is replaced by blue light of wavelength 4800 A, then the change in bandwidth will be (A) 8 x 10 m (B) 8 x 10 m (C) 4x 10m (D) 4x 10 m

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Answer 1

Answer:

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Explanation:

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