Waves Questions

On separate sheets of scrap graph paper, draw four different waves with the following measurements. Label the parts and include the measurements.
Concluding question: State which wave you think has the highest frequency and which might have the lowe

Physics

Waves Solutions

On separate sheets of scrap graph paper, draw four different waves with the following measurements. Label the parts and include the measurements. Concluding question: State which wave you think has the highest frequency and which might have the lowest frequency. Explain the reasons for your selections.

One difference between the light waves coming from a light bulb and water waves on a pond is that
(A) light waves occur in three dimensions while water waves occur in two dimensions.
(B) light waves can show interference effects, while water waves ca

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Waves Solutions

One difference between the light waves coming from a light bulb and water waves on a pond is that (A) light waves occur in three dimensions while water waves occur in two dimensions. (B) light waves can show interference effects, while water waves cannot. (C) light waves all have the same wavelength, while different water waves can have different wavelengths. (D) different light waves have different speeds, while all water waves must have the same speed. (E) all of the above.

The displacement of a spring vibrating in damped harmonic motion is given by the following equation. Find the first four times when the spring is at its equilibrium position, y = 0, and starting at time t = 0.

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Waves Solutions

The displacement of a spring vibrating in damped harmonic motion is given by the following equation. Find the first four times when the spring is at its equilibrium position, y = 0, and starting at time t = 0.

Some quasars (quasi-stellar radio source) have the largest red shifts ever observed. If this phenomenon is due to a Doppler shift, what can you say about their distance? What can you predict about their age compared to the universe?

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Waves Solutions

Some quasars (quasi-stellar radio source) have the largest red shifts ever observed. If this phenomenon is due to a Doppler shift, what can you say about their distance? What can you predict about their age compared to the universe?

A standing wave is formed when a wave reflects back on itself.
What would be true of the parts of this standing wave that are in between the red dots (the parts moving up and down)?
(A) These are antinodes and represent where the energy of the wave i

Physics

Waves Solutions

A standing wave is formed when a wave reflects back on itself. What would be true of the parts of this standing wave that are in between the red dots (the parts moving up and down)? (A) These are antinodes and represent where the energy of the wave is at a maximum. (B) These are antinodes and represent where the energy of the wave is at a minimum. (C)These are nodes and represent where the energy of the wave is at a minimum. (D) These are nodes and represent where the energy of the wave is at a maximum.

Given that lo = 10-12 watts/meter?, what is the intensity of a sound for which the decibel level of the sound measures 1537 Round off your answer to three decimal
places.
Answer
How to enter your answer (Opens in new window)
Keypad
Keyboard
Shortcuts
watts

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Given that lo = 10-12 watts/meter?, what is the intensity of a sound for which the decibel level of the sound measures 1537 Round off your answer to three decimal places. Answer How to enter your answer (Opens in new window) Keypad Keyboard Shortcuts watts/meter

7. How many nodes and antinodes are shown in the standing wave below?
a. Three nodes and five antinodes
b. Two nodes and three antinodes
c. One-fourth node and three antinodes
O d. Four nodes and three antinodes
8. Which of the following would be most like

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Waves Solutions

7. How many nodes and antinodes are shown in the standing wave below? a. Three nodes and five antinodes b. Two nodes and three antinodes c. One-fourth node and three antinodes O d. Four nodes and three antinodes 8. Which of the following would be most likely to transmit sound the fastest? a. Air in the classroom. b. Steel in a bridge. O c. Water in the ocean. d. Water in a swimming pool.

16. A wave is produced in a rope. The wave has a speed of 33 m/s and a
frequency of 22 Hz. What wavelength is produced?
O a. 0.67 m
O b.0.75 m
O c
c. 1.5 m
O d. 3.0 m
17. A flute plays a note with a frequency of 266 Hz. What is the speed of
sound if the wa

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Waves Solutions

16. A wave is produced in a rope. The wave has a speed of 33 m/s and a frequency of 22 Hz. What wavelength is produced? O a. 0.67 m O b.0.75 m O c c. 1.5 m O d. 3.0 m 17. A flute plays a note with a frequency of 266 Hz. What is the speed of sound if the wavelength is 1.3 m? O s 102 m/s 0 205 m/s O /s 346 m/s 0 692 m/s

13. A sound wave has a frequency of 425 Hz. What is the period of this
wave?
O a. 0.00235 seconds
O b. 0.807 seconds
.
O c. 425 seconds
O d. 850 seconds
14. What best describes the relationship between wavelength and
frequency in an electromagnetic wave?
O

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Waves Solutions

13. A sound wave has a frequency of 425 Hz. What is the period of this wave? O a. 0.00235 seconds O b. 0.807 seconds . O c. 425 seconds O d. 850 seconds 14. What best describes the relationship between wavelength and frequency in an electromagnetic wave? O Always Equal O No Relationship O Directly Proportional Inversely Proportional

7. Using and viewing the wave meter, increase and decrease amplitude. What happens to the waves
on the meter?
8. Using and viewing the wave meter increases and decreases frequency, what happens to the waves
on the meter?

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Waves Solutions

7. Using and viewing the wave meter, increase and decrease amplitude. What happens to the waves on the meter? 8. Using and viewing the wave meter increases and decreases frequency, what happens to the waves on the meter?

A pendulum consists of a small rock hanging from a string of length 0.67-m. Pull the rock sideways and release it from rest to
set the pendulum in motion. How long after releasing it does it take to attain its greatest speed the first time?
S

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Waves Solutions

A pendulum consists of a small rock hanging from a string of length 0.67-m. Pull the rock sideways and release it from rest to set the pendulum in motion. How long after releasing it does it take to attain its greatest speed the first time? S

A wave is introduced into a thin wire held tight at each end. It has an amplitude of 3.8 cm, a frequency of 51.2 Hz
and a distance from a crest to the neighboring trough of 12.8 cm. Determine the period of such a wave.
This assignment is computer-graded. E

Physics

Waves Solutions

A wave is introduced into a thin wire held tight at each end. It has an amplitude of 3.8 cm, a frequency of 51.2 Hz and a distance from a crest to the neighboring trough of 12.8 cm. Determine the period of such a wave. This assignment is computer-graded. Enter your answer, one space, and the unit. Example: 10.2 s Answer:

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