Waves & Sound HW 2

Two sound sources S1 and S2 produce waves with frequencies 500 Hz and 250 Hz. When we compare the speed of wave 1 to the speed of wave 2 the result is: 

• Twice as great 

• One-half as great

• The same   

• It cannot be determined with the given information.

Tags

NGSS.HS-PS4-1

A sound wave resonates in a tube with two open ends. What are the wavelengths of the three lowest resonating frequencies generated in the tube?

•  L, 2L, 3L

•  2L, L, 2L/3

•  L/2, L/3, L/5

• 4L, 4L/3, 4L/5

Tags

NGSS.HS-PS4-1

  A sound wave resonates in an open pipe with a length of 2 m. What is the wavelength of the wave? 

• 0.5 m

•  1.0 m

•  1.5 m

•  2.0 m

Tags

NGSS.HS-PS4-1

 A sound wave resonates in an open pipe with a length of 4 m. What is the resonating frequency? (Vsound = 340 m/s)

• 85 Hz

• 170 Hz

• 340 Hz

• 510 Hz

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

A sound wave resonates in an open pipe with a length of 3 m. What is the wavelength of the wave?

• 1.5 m

• 2.0 m

• 3.0 m

• 6.0 m

Tags

NGSS.HS-PS4-1

A sound wave resonates in an open pipe with a length of 1.5 m. What is the resonating frequency? (Vsound = 340 m/s)

• 85 Hz

• 170 Hz

• 340 Hz

• 510 Hz

Tags

NGSS.HS-PS4-1

A sound wave resonates in a tube with one open end. What are the wavelengths of the three lowest resonating frequencies generated in the tube? 

• L, 2L, 3L

•  L, 2L, 2L/3

• L/2, L/3, L/5

•  4L, 4L/3, 4L/5

Tags

NGSS.HS-PS4-1

Two sound sources generate pure tones of 70 Hz and 80 Hz. What is the beat frequency? 

• 5 Hz

• 10 Hz

• 15 Hz

• 20 Hz

Tags

NGSS.HS-PS4-1

A sound wave resonates in a closed pipe with a length of 1.5 m. What is the wavelength of the wave?

• 0.5 m

• 2.0 m

• 2.5 m

• 3.0 m

Tags

NGSS.HS-PS4-1

A sound wave resonates in a closed pipe with a length of 3.5 m. What is the wavelength of the wave? 

• 1.5 m 

• 2.0 m

• 3.0 m

• 6.0 m

Tags

NGSS.HS-PS4-1