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3 years ago

Name and briefly describe the two types of interference

Physics

1 answer:

Annette [7]3 years ago

6 0

The two types of wave interference are constructive and destructive.

These both describe what happens when waves combine

<u>Constructive interference</u> is when 2 waves combine to form a wave with a larger amplitude, but this is only if both waves are both positive or both negative.

<u>Destructive interference</u> is when the two waves are opposite, one is negative, one is positive. They subtract forming the combined wave that has a lower amplitude.

I hope that helps u out!! :)

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Answer:

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3 years ago

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Answer:

the frequency of this mode of vibration is 138.87 Hz

Explanation:

Given;

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$F_n = \frac{n}{2L} \sqrt{\frac{T}{\mu} } \\\\F_2 = \frac{2}{2\times 1} \sqrt{\frac{27}{0.0014} }\\\\F_2 = 138.87 \ Hz$

Therefore, the frequency of this mode of vibration is 138.87 Hz

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