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8 March, 17:17

Wave A is being decreased in temperature, and Wave B is moving from a liquid to a gas medium. Which statement can be made about both waves?

A. They will speed up.

B. They will increase the density of their medium.

C. They will slow down.

D. They will decrease the density of their medium.

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Answers (1)
  1. 8 March, 18:21
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    C. They will slow down.

    Explanation:

    As we know that speed of wave depends on two factors

    1) Elasticity of the medium

    2) Temperature of the medium

    So As the elasticity of the medium will decrease the speed of the wave will also decrease

    so we know that as the wave will travel from liquid to gas then due to decrease in the elasticity its speed will decrease

    Also we know that the temperature of the wave is directly depending on the speed of the wave

    So if the temperature of the wave will decrease then speed of the wave will also decrease

    So correct answer will be

    C. They will slow down.
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