# Science

I need help with the waves unit test (unit 4 lesson 15). If anyone knows the answers or has already done it please put them here.

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1. Have you done it yet? Maybe I could help you if you put your guesses inðŸ¤—

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2. OK there has been over 70 views, on of you has to know the answersðŸ˜‘

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3. SPILL THE ANSWERS

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4. Really need yalls help need this test to go good

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5. omg we need help

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7. yall take forever i need answers

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8. 900 people saw this and didnt drop nothin

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9. 1. frequency
2. electromagnetic
3. wave x has a greater amplitude
4. the water is not a smooth surface after the rock is dropped in the pond
thats all im going to help with but its a unit test so you can figure the rest out on your own.

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10. 1000 views no way none of you have the answers

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11. wavelength

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12. 1.The image moves behind the curved mirror
2.Light bends due to the difference in the speed of light in air and glass.
3.Light waves do not require a medium to propagate.
4.The frequency of blue light is greater than that of yellow light, while the speeds of both colors of light are the same.
5.wavelength of the stationary source: 11.25 ft; perceived wavelength: 9.25 ft
6.standing waves
7.the vertical distance from the crest or trough of a wave to the equilibrium
8.0.2 seconds
9.The speed of sound increases as the density of water increases.
10.The speed decreases by 25% because speed and wavelength are directly proportional.
11.The wavelength of the wave increases
12.The frequency remains constant.
13.Î»A=1/3Î»B
14.1s and 0s
15.Some film methods allow you to print a picture from anywhere without electricity.
16.Results can be quickly and accurately counted and shared.

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13. thank you kitsune 100% correct!!

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