SophomoreSareke
29.09.2019 •
Physics
The wavelength of the characteristic, bright yellow-orange flame test color of sodium is 590 nm. calculate the average energy (? e associated with this atomic emission line.
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Ответ:
E = hv
where h is Plank's constant (6.63× 10^-34 m^2 kg / s)
v is frequency and equal to speed of light/wavelength (c/w)
We can rewrite energy as follows:
E = hc/w = 6.63× 10^-34 (3x10^8) / 590x10^-9
E= 3.37x10^-19 J
Ответ:
Absorbed and reflected
Explanation:
B is reflected because you can’t see the red arrow which represents a light that bounces off of it and a aired up sword because you can see it win through the object shown in the picture