The wavelength of red light is about 700 nm: λred = 700 nm. Which is larger, a grain of sand (diameter roughly 0.2 mm) or a wave

Question

saw5

8 days ago

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The wavelength of red light is about 700 nm: λred = 700 nm. Which is larger, a grain of sand (diameter roughly 0.2 mm) or a wave

of red light? How many times larger?

Physics

1 answer:

Sav [2.2K] · Answer 1 · 2026-03-18T01:02:19+03:00

The grain of sand is larger approximately 286 times. Explanation: To compare the size of the grain of sand to the wavelength of red light (about 700 nm), both measurements need to be converted into standard form using meters for easier comparison. The diameter of the sand grain shows it is indeed larger.