Guitar Strings Echo
fundamentals of physics?
36. 36. How does the speed of a wave change if you increase its frequency in the same medium?
The speed decreases
The speed increases
The speed stays the same
37. 37. Based on your answer to number 36 above, what happens to the speed of a wave when the wavelength decreases in the same medium?
The speed decreases
The speed increases
The speed stays the same
38. 38. Which of the following is an example of an electromagnetic wave?
Sound
Guitar string in motion
Light
39. 39. Our eyes are most sensitive to the __________ part of the visible light spectrum.
Red
Yellow-Green
Blue
40. 40. A bat flying in a cave emits a sound and receives its echo 0.1 s later. What is the distance from the bat to the wall of the cave? Assume speed of sound is 340 m/s.
17 m
34 m
26.4 m
6. 36. How does the speed of a wave change if you increase its frequency in the same medium?
The speed stays the same
37. 37. Based on your answer to number 36 above, what happens to the speed of a wave when the wavelength decreases in the same medium?
The speed stays the same
38. 38. Which of the following is an example of an electromagnetic wave?
Light
39. 39. Our eyes are most sensitive to the __________ part of the visible light spectrum.
Yellow-Green
40. 40. A bat flying in a cave emits a sound and receives its echo 0.1 s later. What is the distance from the bat to the wall of the cave? Assume speed of sound is 340 m/s.
17 m
( 340 * 0.1 ) / 2
Boss/Roland RE-20 Space Echo Demo
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