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What is the speed of sound in air at 20°C?

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Question: What is the speed of sound in air at 20°C?

Options:

  1. 343 m/s
  2. 330 m/s
  3. 300 m/s
  4. 350 m/s

Correct Answer: 343 m/s

Solution: 

The speed of sound in air at 20°C is approximately 343 m/s.

What is the speed of sound in air at 20°C?

Practice Questions

Q1
What is the speed of sound in air at 20°C?
  1. 343 m/s
  2. 330 m/s
  3. 300 m/s
  4. 350 m/s

Questions & Step-by-Step Solutions

What is the speed of sound in air at 20°C?
  • Step 1: Understand that sound travels through air as a wave.
  • Step 2: Know that the speed of sound can change based on temperature.
  • Step 3: Recognize that at 20°C, the speed of sound is a specific value.
  • Step 4: Look up or remember that the speed of sound in air at 20°C is approximately 343 meters per second.
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