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Q. 52

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Physics for Scientists and Engineers: A Strategic Approach with Modern Physics
Found in: Page 453

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Short Answer

Helium (density 0.18 kg/m3 at 0°C and 1 atm pressure)

remains a gas until the extraordinarily low temperature of 4.2 K. What is the speed of sound in helium at 5 K?

The speed of sound through helium in the given condition is .

See the step by step solution

Step by Step Solution

Step 1: Formula to be used

Speed of sound in helium can be determined by,

(specific heats ratio)

(Univ. gas constant)

(temperature given)

(Molecular mass of helium)

Step 2: Determination of speed

The speed of sound in helium at temperature can be determined by,

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