In a spectrum of visible light, we will see that red appears to have a longer wavelength than the blue light. Since wavelength and frequency are inversely proportional then, red will have a smaller frequency than does the blue light.
Answer:
The group one element are called alkali because when they dissolved in water they form alkaline solutions
Answer: tu dia es INCORRECTO
Explanation:
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Answer:
Using the new cylinder the heat rate between the reservoirs would be 50 W
Explanation:
- Conduction could be described by the Law of Fourierin the form:
where 
is the rate of heat transferred by conduction, 
is the thermal conductivity of the material, 
and 
are the temperatures of each heat deposit, 
is the cross area to the flow of heat, and 
is the distance that the flow of heat has to go. - For the original cylinder the Fourier's law would be:
, and if 
, then the expression would be:
where 
is the diameter of the original cylinder, and 
is the length of the original cylinder. - For the new cylinder, in the same fashion that for the first, Fourier's Law would be:
,where 
is the heat rate in the second case, 
and 
are the new diameter and length. - But,
and 
, substituting in the expression for : 
. - Rearranging:
. - In the last declaration of , it could be noted that the expressión inside the parenthesis is actually
, then: 
. - <u>It should be noted, that the temperatures in the hot and cold reservoirs never change.</u>
