Mastery Check 7-7 (A)
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Last updated 7 months ago
8 questions
1
Mastery checks are pledged activities. You may ONLY use: a calculator. No assistance from notes, friends, the internet, etc. You may write "I pledge" and sign your name here.
Mastery checks are pledged activities. You may ONLY use: a calculator. No assistance from notes, friends, the internet, etc.
You may write "I pledge" and sign your name here.
1
Light waves travel through a vacuum (empty space) so they don't have a medium
Light waves travel through a vacuum (empty space) so they don't have a medium

1
The color with the highest frequency is:
The color with the highest frequency is:
1
The color with the longest wavelength is:
The color with the longest wavelength is:
1
The color with the highest velocity is:
The color with the highest velocity is:
2
A wave of visible light has a frequency of 4.6 \times 10^{14} Hz. Calculate the wavelength of the wave, and say which color it is:
A wave of visible light has a frequency of 4.6 \times 10^{14} Hz. Calculate the wavelength of the wave, and say which color it is:
2
While on Burch, you see a lightning bolt flash across the sky, and then hear the thunder a few seconds later. The next day, you hike over to the spot the lightning struck and find that it was 1500 m away from where you were when you saw it.
If the speed of light is 3 \times 10^8 m/s, calculate how much time passes between the lightning bolt hitting the ground and the light from the bolt traveling to your eyes.
While on Burch, you see a lightning bolt flash across the sky, and then hear the thunder a few seconds later. The next day, you hike over to the spot the lightning struck and find that it was 1500 m away from where you were when you saw it.
If the speed of light is 3 \times 10^8 m/s, calculate how much time passes between the lightning bolt hitting the ground and the light from the bolt traveling to your eyes.
2
While on Burch, you see a lightning bolt flash across the sky, and then hear the thunder a few seconds later. The next day, you hike over to the spot the lightning struck and find that it was 1500 m away from where you were when you saw it.
If the speed of sound is 320 m/s, calculate how much time passes between the lightning bolt hitting the ground and the sound of thunder traveling to your ears.
While on Burch, you see a lightning bolt flash across the sky, and then hear the thunder a few seconds later. The next day, you hike over to the spot the lightning struck and find that it was 1500 m away from where you were when you saw it.
If the speed of sound is 320 m/s, calculate how much time passes between the lightning bolt hitting the ground and the sound of thunder traveling to your ears.