Wave Interference Video Lessons

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Problem: A wave on a string propagates down a 150 g, 4 cm long string with a 10 cm wavelength before encountering a transition to a new string. If the new string is 250 g in mass and 8 cm long, and both strings have a tension of 100 N, (a) What is the wavelength of the wave that reflects off the transition point between the two strings? (b) What is the wavelength of the wave that passes through the transition point between the two strings?

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Problem Details

A wave on a string propagates down a 150 g, 4 cm long string with a 10 cm wavelength before encountering a transition to a new string. If the new string is 250 g in mass and 8 cm long, and both strings have a tension of 100 N,

(a) What is the wavelength of the wave that reflects off the transition point between the two strings?

(b) What is the wavelength of the wave that passes through the transition point between the two strings?

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Wave Interference concept. You can view video lessons to learn Wave Interference. Or if you need more Wave Interference practice, you can also practice Wave Interference practice problems.

How long does this problem take to solve?

Our expert Physics tutor, Jeffery took 6 minutes and 10 seconds to solve this problem. You can follow their steps in the video explanation above.