Sound Waves and Their Characteristics

The video tutorial explains the relationship between wave energy and amplitude, highlighting how amplitude affects sound wave loudness. It discusses scenarios involving sound waves, such as moving a microphone closer to a speaker, and how amplitude remains the key factor in perceived loudness. The tutorial also covers amplitude's role in musical instruments and how waves lose energy and amplitude over distance.

Which characteristic of a wave is most closely related to its energy?

• Frequency

• Wavelength

• Period

• Amplitude

Which of the following is NOT a characteristic of a wave?

• Frequency

• Wavelength

• Color

• Amplitude

What happens to the loudness of a sound wave as you move closer to the source?

• It decreases

• It changes pitch

• It remains the same

• It increases

If a microphone is moved closer to a speaker, what characteristic of the sound wave changes?

• Speed

• Frequency

• Wavelength

• Amplitude

When you get closer to a singer, what remains unchanged in the sound you hear?

• Pitch

• Amplitude

• Volume

• Loudness

What is the relationship between frequency and wavelength in a wave?

• Directly proportional

• Inversely proportional

• Unrelated

• Equal

In an electric guitar, which characteristic increase results in louder sound?

• Period

• Amplitude

• Wavelength

• Frequency

What happens to the amplitude of a pulse as it travels along a rope?

• It decreases

• It fluctuates

• It remains constant

• It increases

As you move away from a light source, what happens to its amplitude?

• It remains the same

• It decreases

• It increases

• It changes color

What is the effect on sound wave amplitude as you move further from the source?

• It increases

• It changes frequency

• It remains constant

• It decreases