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Chapter 14: Problem 3

Consider a light wave and a sound wave with the same wavelength. Which has the higher frequency?

Short Answer

Expert verified
Light waves have a higher frequency than sound waves when they have the same wavelength.

Step by step solution

01

Recall the basic formula

Remember the formula to find the frequency of a wave: \(v = \lambda f\) in which \(v\) represents the speed of the wave, \(\lambda\) is the wavelength, and \(f\) is the frequency.
02

Compare the speeds of light and sound waves

It is a known fact that light travel at \(3 \times 10^8\) m/s and sound travels at approximately 343 m/s in air. Since the speed of light is much faster, light waves have the higher frequency for the same wavelength.
03

Conclusion

Given that the wavelength is the same for both types of wave, but light waves move faster than sound waves, it is concluded that light waves have a higher frequency than sound waves for the same wavelength.

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Most popular questions from this chapter

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