Match the colums A with proper answer in the column B. columnA. The wavelength of red light. column B. a] 600nm. b]700nm. c]500nm
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option (b)700nm
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Match the colums A with proper answer in the column B. columnA. The wavelength of red light. column B. a] 600nm. b]700nm. c]500nm answer =b]700nm
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