Refractive Index is a ratio of two similar physical quantity which is dimension less
refractive index = sin I / sin r

therefore it doesn't have a unit.

5 0

3 years ago

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The A note has a frequency of 440 Hz. What is the wavelength if the speed of sound is 343 m/s?

Nina [5.8K]

The wavelength of a wave (λ) is given by λ $= \frac{c}{f}$
where c is the wave speed and f is the frequency

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3 years ago

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Fred is conducting a controlled experiment to test whether using a grow light at night will help a tomato plant grow faster. Bel

PtichkaEL [24]

Answer:

the type of tomato plants used.

Explanation:

4 0

3 years ago