Understanding Sound and Pipe Length

What is the initial step in creating a straw flute?

• Sharpening the ends of the straw

• Cutting the straw into small pieces

• Filling the straw with water

• Painting the straw

How is sound produced in a straw flute?

• By blowing air through the straw

• By vibrating the ends of the straw

• By tapping the straw on a surface

• By heating the straw

What happens to the pitch when the length of the pipe is decreased?

• The pitch increases

• The pitch becomes inaudible

• The pitch remains the same

• The pitch decreases

What is the relationship between wavelength and pipe length in a pipe with one closed end?

• Wavelength is half the pipe length

• Wavelength is four times the pipe length

• Wavelength is equal to the pipe length

• Wavelength is twice the pipe length

How do you convert the wavelength from centimeters to meters?

• Multiply by 100

• Divide by 100

• Add 100

• Subtract 100

What formula is used to calculate the frequency of sound?

• Frequency = Speed of Sound x Wavelength

• Frequency = Wavelength / Speed of Sound

• Frequency = Wavelength x Speed of Sound

• Frequency = Speed of Sound / Wavelength

If a pipe is 12 cm long, what is the frequency of the sound it produces compared to a 6 cm pipe?

• The frequency is the same

• The frequency is double

• The frequency is quadruple

• The frequency is half

What does a frequency of 700 Hertz mean?

• The sound vibrates 700 times per minute

• The sound vibrates 700 times per second

• The sound vibrates 700 times per hour

• The sound vibrates 700 times per day

What is the speed of sound assumed in the video?

• 360 meters per second

• 400 meters per second

• 300 meters per second

• 340 meters per second

What is the wavelength of a sound wave if the pipe length is 6 cm?

• 18 cm

• 6 cm

• 12 cm

• 24 cm