Science chapter sound important MCQ

Understand the Problem

The question is likely asking for multiple-choice questions related to the topic of sound from a science chapter. This is a general inquiry about content that may appear in a textbook or study material.

Answer

1) Human hearing range: 20 Hz to 20,000 Hz. 2) Echo: Reflection of sound. 3) Sound: Produced by vibrations.

Here are some important MCQs related to the topic Sound:

  1. The hearing range of a human ear is typically from 20 Hz to 20,000 Hz.
  2. An echo is produced due to the reflection of sound waves.
  3. Sound is produced by vibrations.
Answer for screen readers

Here are some important MCQs related to the topic Sound:

  1. The hearing range of a human ear is typically from 20 Hz to 20,000 Hz.
  2. An echo is produced due to the reflection of sound waves.
  3. Sound is produced by vibrations.

More Information

Sound waves need a medium to travel, and they move through air, liquids, and solids via the vibrations of particles in these mediums. The reflection phenomenon that creates an echo is similar to how mirrors reflect light.

Tips

A common mistake when discussing sound is forgetting that sound cannot travel through a vacuum, as it relies on particle vibrations.

Sources

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