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kompoz [17]
3 years ago
15

How does a green leaf appear in red light? Use what you know about reflection and absorption of light.

Physics
2 answers:
Scilla [17]3 years ago
6 0
I think the answer is Black.  Hope this helps

skelet666 [1.2K]3 years ago
4 0

Answer: 1.black

Explanation:

A green object, like the leaf in this problem, absorbs all colors of light except for the green color. In fact, the object is able to reflect only the green light, and this is why the object appears green to us: because this is the only color reflected by the leaf.

Therefore, if we hit the leaf with red color, it will appear black: in fact, the leaf is will absorb the red light, and there are no more colors to be reflected - therefore, the leaf will appear black (which corresponds to absence of color).

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A transverse mechanical wave is traveling along a string lying along the x-axis. The displacement of the string as a function of
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(1) The wavelength of the wave is 1.164 m.

(2) The  velocity of the wave is 23.7 m/s.

(3) The maximum speed in the y-direction of any piece of the string is 6.14 m/s.

<h3> Wavelength of the wave</h3>

A general wave equation is given as;

y(x, t) = A sin(Kx - ωt)

<h3>Velocity of the wave</h3>

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From the given wave equation, we have,

y(x, t) = 0.048 sin(5.4x - 128t)

v = ω/K

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<h3>Wavelength of the wave</h3>

λ = 2π/K

λ = (2π)/(5.4)

λ = 1.164 m

<h3>Maximum speed of the wave</h3>

v(max) = Aω

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v(max) = (0.048)(128)

v(max) = 6.14 m/s

Thus, the wavelength of the wave is 1.164 m.

The  velocity of the wave is 23.7 m/s.

The maximum speed in the y-direction of any piece of the string is 6.14 m/s.

Learn more about wavelength here: brainly.com/question/10728818

#SPJ1

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