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Grade 11Wave Motion

The speed of sound as measured by a student in the laboratory on a winter day is 340 m s-1 when the room temperature is 17°C. What speed will be measured by another student repeating the experiment on a day when the room temperature is 32°C?

Profile image of Radhika Batra
12 Years agoGrade 11
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1 Answer

Profile image of Kevin Nash
12 Years ago
Sol. V base 1 = 330 m/s, V base 2 = ? T base 1 = 273 + 17 = 290 K, T base 2 = 272 + 32 = 305 K We know v ∝ √T √V abse1/√V base 2 = √T abse1/√T base 2⇒ V base 1 * √T base 2/√T base 1 = 340 *√305/290 = 349 m/s.

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