Which of the following wavelengths occur in red part of the spectrum?

470 nm

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390 nm

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680 nm

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830 nm

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Solution

The correct option is C 680 nm
The red part of the spectrum is of higher wavelength i.e., 680 nm.

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Which of the following wavelengths occur in red part of the spectrum?

The correct option is C 680 nmThe red part of the spectrum is of higher wavelength i.e., 680 nm.

The correct option is C 680 nm
The red part of the spectrum is of higher wavelength i.e., 680 nm.