Mercury Vapor Lamp (Gas Discharge Tubes).

SOLVED: An atomic emission line from a mercury vapor lamp emerges at 15.159 degrees from the center position after it passes through a grating with 6000 lines/cm.If this is a 1st order peak, what is the wavelength of the light?546.08 nm (Green light), 435.83 nm (Blue light), 576.96 nm (Yellow light), 708.19 nm (Red light), 614.95 nm (Orange light).

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