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3 years ago

Anyone who could help me would be great!!! Plss!!!

Chemistry

1 answer:

garri49 [273]3 years ago

7 0

Answer:

I think its a.The hockey puck loses heat molecule's.

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Answer: Wavenumber of the radiation emitted is $0.08\times 10^{8}m^{-1}$

Explanation:

The relationship between wavelength and energy of the wave follows the equation:

$E=\frac{hc}{\lambda}$

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E = energy of the radiation = $1.634\times 10^{-18}J$

h = Planck's constant = $6.626\times 10^{-34}Js$

c = speed of light = $3\times 10^8m/s$

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Putting values in above equation, we get:

$1.634\times 10^{-18}J=\frac{(6.626\times 10^{-34}Js)\times (3\times 10^8m/s)}{\lambda}\\\\\lambda=12.16\times 10^{-8}m$

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Thus wavenumber of the radiation emitted is $0.08\times 10^{8}m^{-1}$

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