El fascinante comportamiento del sonido al cambiar de medio

The video tutorial explains how sound waves interact with different surfaces and materials, leading to phenomena such as echo, refraction, and diffraction. It delves into the concept of resonance, where objects vibrate at their natural frequency, and how this can lead to dramatic effects like bridges wobbling or musical instruments producing sound. The tutorial highlights the importance of resonance in both everyday occurrences and musical applications.

What happens to a sound wave when it hits a flat, smooth surface?

• It gets absorbed.

• It gets reflected.

• It speeds up.

• It changes color.

What is the term for the change in direction of sound waves as they pass through different materials?

• Absorption

• Reflection

• Refraction

• Diffraction

Why can we often hear a sound before seeing its source?

• Because sound waves are invisible.

• Because of the diffraction of sound waves.

• Because sound travels faster than light.

• Because sound waves are louder than light.

What can happen to an object when sound waves match its resonant frequency?

• It becomes silent.

• It becomes invisible.

• It changes color.

• It may oscillate or even shatter.

How do musical instruments utilize resonance?

• By changing the speed of sound.

• By absorbing sound waves.

• By matching the resonant frequency of air columns.

• By reflecting sound waves.