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Biblioteka

Mastery Check 7-7 (A)

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Posljednje ažuriranje about 1 year ago
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1
Pitanje 1
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.

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Pitanje 2
2.

Light waves travel through a vacuum (empty space) so they don't have a medium

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Pitanje 3
3.

The color with the highest frequency is:

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Pitanje 6
6.

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:

Pitanje 7
7.

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.

Pitanje 8
8.

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.

Pitanje 4
4.

The color with the longest wavelength is:

Pitanje 5
5.

The color with the highest velocity is: