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zloy xaker [14]
4 years ago
11

What was the Comstock Lode? Group of answer choices A.The largest mining company ever formed in the American West B. The richest

vein of silver ore found on the North American continent C. A vein of gold discovered by prospector D. Henry Comstock E. A complicated piece of machinery designed to extract silver from mines
Geography
1 answer:
Evgen [1.6K]4 years ago
3 0

Your answer is B

Have a great day

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Using Wien’s Law, estimate the wavelength at which these common materials radiate their peak brightness (show your work):
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Explanation:

Wien’s Law:

\lambda _{max}\propto \frac{1}{temperature}

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\lambda _{max}=\frac{2.9\times 10^{-3}}{T}

1) Walls at 300 K

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{300 K}

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\lambda _{max}=\frac{2.9\times 10^{-3} mK}{273 K}

\lambda _{max}=1.062\times 10^{-5} m

3) Hot water at 373 K :

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{373 K}

\lambda _{max}=7.775\times 10^{-6} m

4)Skin at 310 K:

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{310 K}

\lambda _{max}=9.355\times 10^{-6} m

5)An incandescent light bulb at 3000 K

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{3000 K}

\lambda _{max}=9.666\times 10^{-7} m

3 0
3 years ago
Hello, simple question. Need to check if I’m correct
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Answer:

B

Explanation:

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