As Physics Standing Waves

A wave travels on a string of length L, linear density µ, and tension T. Which of the following is true?

• The wave speed is inversely proportional to the tension T

• The wave speed is directly proportional the linear density µ

• The wave speed increases with increasing tension T

• The wave speed increases with increasing linear density

• The wave speed only depends on the length of the string

Tags

NGSS.HS-PS4-1

Two wave pulses with equal positive amplitudes travel on a cord approaching each other. What is the result of the oscillations when the pulses reach the same point?

• It is constructive interference with twice the amplitude

• It is destructive interference with zero amplitude

• It is constructive interference with slightly greater amplitude

• It is constructive interference with the negative amplitude

• The standing wave is produced

Tags

NGSS.HS-PS4-1

A stretched string of length L = 2 m resonates in two loops. What is the wavelength of the wave?

• 1m

• 2m

• 3m

• 4m

• 6m

Tags

NGSS.HS-PS4-1

A stretched string of length L = 6 m resonates in three loops. What is the wavelength of the wave?

• 1m

• 2m

• 3m

• 4m

• 6m

Tags

NGSS.HS-PS4-1

A stretched string of length 8 m vibrates at a frequency of 50 Hz producing a standing wave pattern with 4 loops. What is the speed of wave?

• 50 m/s

• 100 m/s

• 150 m/s

• 200 m/s

• 250 m/s

Tags

NGSS.HS-PS4-1

A guitar string resonates at a frequency of 500 Hz forming a standing wave pattern with 5 loops. What is the fundamental frequency?

• 100 Hz

• 200 Hz

• 300 Hz

• 400 Hz

• 500 Hz

Tags

NGSS.HS-PS4-1

The distance traveled by a wave in one period is called?

• Frequency

• Period

• Speed of wave

• Wavelength

• Amplitude

Tags

NGSS.HS-PS4-1

The frequency of a wave is doubled when the wavelength remains the same. What happens to the speed of the wave?

• It doubles

• It quadruples

• Remains unchanged

• It is cut to one-half

• It is cut to one-fourth

Tags

NGSS.HS-PS4-1

The frequency of a wave increases when the speed remains the same. What happens to the distance between two consecutive crests?

• It increases

• It decreases

• Stays unchaged

• It increases first and then decreases

• It decreases first and then increases

Tags

NGSS.HS-PS4-1

Which of the following statements is true about transverse waves?

• They always have the same frequencies

• They always have the same velocities

• They always have the same wavelengths

• They always travel through a dense medium

• The particles vibrate in perpendicular direction with respect to the wave motion

Tags

NGSS.HS-PS4-1