In a game of "Clue," Ms. White is killed in the conservatory. A spectrometer in each room records who is present to help find the murderer. For example, if someone wearing yellow is in a room, light at 580 nm is reflected. The suspects are Col. Mustard, Prof. Plum, Mr. Green, Ms. Peacock (blue), and Ms. Scarlet. At the time of the murder, the spectrometer in the dining room shows a reflection at 520 nm, those in the lounge and the study record lower frequencies, and the one in the library records the shortest possible wavelength. Who killed Ms. White? Explain.

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Tutorconsortium322 Tutorconsortium322 · Answer 1 · 2022-08-25T22:33:14+02:00

Mr. Plum killed Mrs. White.

Differernt wavelengths for the many visible light colors and associated characters.

The spectrometers captured these data at the moment of the murder: 520 nm in the eating area.

Mr. Green was in the dining room and is no longer a suspect because 520 nm falls inside the 500–565 nm range, which is the range for green hue.

Lower frequencies in the study and living areas.Given that frequency and wavelength are inversely related, the only two colors from the provided options with longer wavelengths are yellow and red, which are used in the study.
So Mustard and Scarlet aren't doing anything wrong.
The second-shortest wavelength among the five measured in the library.
Blue is the second-shortest wavelength, according to the table. Mrs. Peacock is not the murderer, then.
Violet is the only alternative remaining, making Mr. Plum the only one who could be at the conservatory and the murderer.

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