3.5b

A wave with an amplitude of 0.95 m has the same wavelength as a second wave with an amplitude of 0.43 m. What is the amplitude of the resultant wave if the interference is constructive?

• 1.38 m

• 0.40 m

• 0.52 m

• 0 m

Two successive crests of a transverse wave are 4.20 m apart. 10.0 crests pass a given point every 30.0 s. What is the wave speed?

• 0.667 m/s

• 1.40 m/s

• 1.10 m/s

• 2.20 m/s

Tags

NGSS.HS-PS4-1

A point in a standing wave that maximum displacement is also known as a(n)_____.

• constructive interference

• node

• antinode

• reflection

The distance between the equilibrium position and the top of the crest is called the ____.

• frequency

• amplitude

• wavelength

• speed of the wave

When two waves having displacements in same directions meet, ______ occurs

• complete cancellation

• no interference

• destructive interference

• constructive interference

Tags

NGSS.HS-PS4-5

A wave of frequency 63.5 Hz travels at a speed of 4.5 m/s. What is the wavelength of the wave?

• 0.082 cm

• 8.2 cm

• 7.1 cm

• 150 cm

Tags

NGSS.HS-PS4-1

What happens to the wavelength of a wave on a string when the frequency is halved? What happens to the speed of the wave?

• becomes half as long, stays the same

• becomes double as long, stays the same

• becomes double as long, double the speed

• the wave length and the speed will not change

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5

What is the amplitude of the wave in the figure above?

• 5 cm

• 6 cm

• 10 cm

• 12 cm

Tags

NGSS.HS-PS4-1

In the standing wave shown below How many nodes does this wave have? How many antinodes?

• 5 antinodes and 4 nodes

• 4 antinodes and 5 nodes

• 4 antinodes and 3 nodes

• 3 antinodes and 4 nodes

Tags

NGSS.HS-PS4-1

If the following wave has a frequency of 30 Hz, what is its speed?

• 20 m/s

• 30 m/s

• 45 m/s

• 60 m/s

Tags

NGSS.HS-PS4-1