3 years ago

What type of em wave travels the fastest?

Physics

1 answer:

nignag [31]3 years ago

5 0

I think Gamma Rays

Formula=3 ×× 10^8 m/s

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The relationship between frequency and wavelength for an electromagnetic wave is
$c=f \lambda$
where
f is the frequency
$\lambda$ is the wavelength
$c=3 \cdot 10^8 m/s$ is the speed of light.

For the light in our problem, the frequency is $f=1.20 \cdot 10^{13} s^{-1}$ , so its wavelength is (re-arranging the previous formula)
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Answer:

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y = 0.524 m

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According to diagram

Sin θ = (2.99 - 0.524) / 8.17

Sin θ = 0.3018

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So, torque about the base of the tree is

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Answer:

W = 3/2 n (T₁- T₂)

Explanation:

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3/2 n (T₂-T₁) = W

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