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Two waves A and B have wavelength 0.01 ∘A and 9000 ∘A respectively. (a) Name the two waves. (b) Compare the speeds of these waves when they travel in vacuum. |
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Answer» Two waves A and B have wavelength 0.01 ∘A and 9000 ∘A respectively. (a) Name the two waves. (b) Compare the speeds of these waves when they travel in vacuum. |
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