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A wave of infrared light has a speed of 6m/s and a wave length of 12 m. What is the frequency of this wave? A) 0.5 Hz B) 2.p Hz C) 18 Hz D) 72 Hz
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A wave of infrared light has a speed of 6m/s and a wave length of 12 m. What is the frequency of this wave?

A) 0.5 Hz
B) 2.p Hz
C) 18 Hz
D) 72 Hz

User Chyoo CHENG
by
5.5k points

1 Answer

3 votes
Frequency = speed / wavelength

(6 m/s) / (12 m) = 0.5 Hz.

That's not infrared light.
Infrared light waves move about 50 million times faster than that, and they're only about 0.00000007 as long as that.
User Malik Amurlayev
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