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Physics for IGCSE & O level - Rays And Waves (Section 3 - No. 8)

What is the approximate frequency of yellow light's wavelength?
8 x 10^-7 m
5 x 10^14 Hz
5 x 10^12 Hz
3 x 10^8 m/s

Обяснение

The text indicates the approximate frequency.

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