Fossil is used to fuel cars and airplanes, power electricity plants, and heat our homes. They are also used to make medicines , cosmetics, plastics, systhetic fabrics , and lubricants.
Answer:
irish spring green green nnnnnnnnnn
Explanation:
Answer:
![\lambda_{star} = 1.100\times 10^{-7} meter](https://tex.z-dn.net/?f=%5Clambda_%7Bstar%7D%20%3D%201.100%5Ctimes%2010%5E%7B-7%7D%20meter)
Explanation:
By wein's law
![\lambda\times T= 2.898\times 10^{-3} kelvin meter](https://tex.z-dn.net/?f=%5Clambda%5Ctimes%20T%3D%202.898%5Ctimes%2010%5E%7B-3%7D%20kelvin%20meter)
where;
λ = wavelenght
T= Temperature (in kelvin)
= Wein's constant
so
![\lambda\times T(sun) = 2.898\times 10^{-3}](https://tex.z-dn.net/?f=%5Clambda%5Ctimes%20%20T%28sun%29%20%3D%202.898%5Ctimes%2010%5E%7B-3%7D)
![550\times 10^{-9}\times T (sun) = 2.898\times 10^{-3}](https://tex.z-dn.net/?f=550%5Ctimes%2010%5E%7B-9%7D%5Ctimes%20T%20%28sun%29%20%3D%202.898%5Ctimes%2010%5E%7B-3%7D)
![T (sun) = \frac{2.898\times 10^{-3}}{ 550\times 10 ^{-9}}](https://tex.z-dn.net/?f=T%20%28sun%29%20%3D%20%5Cfrac%7B2.898%5Ctimes%2010%5E%7B-3%7D%7D%7B%20550%5Ctimes%2010%20%5E%7B-9%7D%7D)
T (sun) = 5269.09 kelvin
from data given we have
![T( star ) = 5\times T (sun)](https://tex.z-dn.net/?f=%20T%28%20star%20%29%20%3D%205%5Ctimes%20T%20%28sun%29)
so,
![\lambda_{star}\times T(star) = 2.898\times 10^{-3}](https://tex.z-dn.net/?f=%5Clambda_%7Bstar%7D%5Ctimes%20%20T%28star%29%20%3D%202.898%5Ctimes%2010%5E%7B-3%7D)
![\lambda_{star}\times 5\times T(sun) = 2.898\times 10^{-3}kelvin meter](https://tex.z-dn.net/?f=%5Clambda_%7Bstar%7D%5Ctimes%205%5Ctimes%20T%28sun%29%20%3D%202.898%5Ctimes%2010%5E%7B-3%7Dkelvin%20meter)
![\lambda_{star}\times 5\times 5269.09 = 2.898\times 10^{-3}kelvin meter](https://tex.z-dn.net/?f=%5Clambda_%7Bstar%7D%5Ctimes%205%5Ctimes%205269.09%20%3D%202.898%5Ctimes%2010%5E%7B-3%7Dkelvin%20meter)
![\lambda_{star} = \frac{(2.898\times 10^{-3}kelvin meter)}{(5 \times 5.269 \times 10^{3}kelvin)}](https://tex.z-dn.net/?f=%5Clambda_%7Bstar%7D%20%3D%20%5Cfrac%7B%282.898%5Ctimes%2010%5E%7B-3%7Dkelvin%20meter%29%7D%7B%285%20%5Ctimes%205.269%20%5Ctimes%2010%5E%7B3%7Dkelvin%29%7D)
![\lambda_{star} = 1.100\times 10^{-7} meter](https://tex.z-dn.net/?f=%5Clambda_%7Bstar%7D%20%3D%201.100%5Ctimes%2010%5E%7B-7%7D%20meter)