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9 Questions

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Sound and Energy Relationship

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Questions and Answers

How is the loudness of sound measured?

In amplitudes (A)

In kilohertz (kHz)

In decibars (db)

In decibels (dB) (correct)

What is the relationship between striking a drum hard and the loudness of the sound produced?

Striking the drum hard decreases the energy of the sound waves, leading to greater loudness.

Striking the drum hard increases the energy of the sound waves, leading to greater loudness. (correct)

Striking the drum hard has no effect on the energy of the sound waves or the loudness.

Striking the drum hard causes the sound waves to dissipate, reducing the loudness.

According to the decibel scale, what is the softest sound that an average person can make out?

0 dB (correct)

10 dB

20 dB

30 dB

What can happen to the ears with long periods of exposure to sound levels of 90 dB or higher?

The ears can be damaged. Signup and view all the answers

What is the relationship between loudness and high-pitched sounds?

High-pitched sounds may be perceived as louder despite having the same decibel level as bass sounds Signup and view all the answers

What is the relationship between amplitude and the pitch of a sound?

Amplitude determines the loudness but not the pitch of a sound Signup and view all the answers

What is the purpose of the activity involving the toy guitar?

To show how the pitch of sound produced by a vibrating string can be altered Signup and view all the answers

Which type of sound has a higher pitch?

The bark of a pup Signup and view all the answers

What is the relationship between decibel level and loudness?

Loudness can vary even if two sounds have the same decibel level Signup and view all the answers

Sound and Energy Relationship

Choose a study mode

Podcast

Questions and Answers

How is the loudness of sound measured?

What is the relationship between striking a drum hard and the loudness of the sound produced?

According to the decibel scale, what is the softest sound that an average person can make out?

What can happen to the ears with long periods of exposure to sound levels of 90 dB or higher?

What is the relationship between loudness and high-pitched sounds?

What is the relationship between amplitude and the pitch of a sound?

What is the purpose of the activity involving the toy guitar?

Which type of sound has a higher pitch?

What is the relationship between decibel level and loudness?

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