Math of Waves

A wave machine generated waves with a wavelength of 0.080 m at a constant wave speed of 17 m/s.  Calculate the frequency of the waves.

• 212 Hz
• 1.36 Hz
• 0.00470 Hz
• 16.92 Hz

Tags

NGSS.HS-PS4-1

The speed of sound in air is 340 m/s.  The frequency of the sound waves generated by my voice is 720 Hz.  Calculate the wavelength of sound of my voice.

• 380 m
• 0.472 m
• 2.11 m
• 244,800 m

Tags

NGSS.HS-PS4-1

Sound waves travel 2000 m in 6.14 seconds  Calculate the speed of sound. 

• 326 m/s
• 12,280 m/s
• 0.0031 m/s
• 1993.8 m/s

Tags

NGSS.HS-PS4-1

Red light has a wavelength of 675 x 10^-9 m. What is its frequency?

• 2.03x10¹¹ m

• 4.44x10¹⁴ Hz

• 4.44x10¹⁴ nm

• 2.03x10¹¹ Hz

Tags

NGSS.HS-PS4-1

The frequency of violet light is 7.5x10¹⁴ Hz. What is its wavelength?

• 4.0x10^-7 m

• 4.0x10⁷ m

• 2.25x10²³m

• 2.25x10²³ Hz

Tags

NGSS.HS-PS4-1

The wavelength equation is...

• v = f λ

• v = r i

• v = I/R

Tags

NGSS.HS-PS4-1

A wave with frequency 120Hz and wavelength 3.0m has a wave speed of

• 420 m/s

• 240 m/s

• 330 m/s

• 360 m/s

Tags

NGSS.HS-PS4-1

A wave with a frequency 45Hz and wavelength of 0.2m has a wave speed of

• 19 m/s

• 9.0 m/s

• 90 m/s

• 0.9 m/s

Tags

NGSS.HS-PS4-1

A wave has a wave speed of 150 m/s and frequency of 300Hz, the wavelength is

• 5m

• 50m

• 0.5m

• 50cm

Tags

NGSS.HS-PS4-1

A wave has a wave speed of 280m/s and a frequency of 70Hz, the wavelength is

• 4m

• 14m

• 7m

• 40m

Tags

NGSS.HS-PS4-1