Measuring Sound Waves

Sound waves-L4-seeing and hearing sound

By Wadih Farah

Multiple Choice

What instrument is used to observe sound waves?

• Speaker

• Microphone

• Oscilloscope

• none

Multiple Choice

Higher frequency and louder sound means:

• higher pitch and larger amplitude respectively

• lower pitch and larger amplitude

• lower pitch and amplitude

• not related to pitch and amplitude.

Multiple Choice

What is the audible range of frequencies, and what is ultrasound ?

• audible range is above 20 Hz, and ultrasound is above 20 KHz

• audible range is below 20 Hz, and ultrasound is below 20 KHz

• audible range is between 20 Hz, and 20KHz , and ultrasound is above 20 KHz

• any frequency can be heard, and ultrasound frequency is 20 Hz.

Multiple Choice

What is Frequency ?

• The time to make one complete oscillation

• The number of vibration in a second

Multiple Choice

What is period ?

• The time to make one complete oscillation.

• The number of oscillations in a second.

Multiple Choice

What instrument is used to observe sound waves?

• Speaker

• Microphone

• Oscilloscope

• none

Multiple Choice

Higher frequency and louder sound means:

• higher pitch and larger amplitude respectively

• lower pitch and larger amplitude

• lower pitch and amplitude

• not related to pitch and amplitude.

Multiple Choice

What is period ?

• The time to make one complete oscillation.

• The number of oscillations in a second.

Multiple Choice

What is Frequency ?

• The time to make one complete oscillation

• The number of vibration in a second

Multiple Choice

What is the audible range of frequencies, and what is ultrasound ?

• audible range is above 20 Hz, and ultrasound is above 20 KHz

• audible range is below 20 Hz, and ultrasound is below 20 KHz

• audible range is between 20 Hz, and 20KHz , and ultrasound is above 20 KHz

• any frequency can be heard, and ultrasound frequency is 20 Hz.