Stop with that link need to stop
Answer: t=4.6*R*L
Explanation: In order to explain this problem we have to take into account the expression for the current in a RL electric circuit, which is given by:
![i(t)=if*(1-^{-t/R*L})](https://tex.z-dn.net/?f=i%28t%29%3Dif%2A%281-%5E%7B-t%2FR%2AL%7D%29)
where If is the final current for RL circuit If (emf/R)
Considering the final current is getting when I(t) = 0.99*If we have:
![0.99*if=if*(1-^{-t/R*L})](https://tex.z-dn.net/?f=0.99%2Aif%3Dif%2A%281-%5E%7B-t%2FR%2AL%7D%29)
reoganising the terms we have:
e^(-t/R*L)=(1-0.99)
ln(e^(-t/R*L))=ln(0.01)
then t=4.6*R*L
This question involves the concepts of Wein's displacement law and characteristic wavelength.
The blackbody temperature will be "3.22 x 10⁵ k".
<h3>WEIN'S DISPLACEMENT LAW</h3>
According to Wein's displacement law,
![\lambda_{max} T = c\\\\T=\frac{c}{\lambda_{max}}](https://tex.z-dn.net/?f=%5Clambda_%7Bmax%7D%20T%20%3D%20c%5C%5C%5C%5CT%3D%5Cfrac%7Bc%7D%7B%5Clambda_%7Bmax%7D%7D)
where,
= characteristic wavelength = 9 μm = 9 x 10⁻⁹ m- T = temperature = ?
- c = Wein's displacment constant = 2.897 x 10⁻³ m.k
Therefore,
![T=\frac{2.897\ x\ 10^{-3}\ m.k}{9\ x\ 10^{-9}\ m}](https://tex.z-dn.net/?f=T%3D%5Cfrac%7B2.897%5C%20x%5C%2010%5E%7B-3%7D%5C%20m.k%7D%7B9%5C%20x%5C%2010%5E%7B-9%7D%5C%20m%7D)
T = 3.22 x 10⁵ k
Learn more about characteristic wavelength here:
brainly.com/question/14650107
Answer:
they both evaperated bye heat
Explanation:
Answer:
In hot gases , the atoms keeps colliding with each other and sometimes the energy liberated during collision takes the electron to a higher level,thus, .The object is a cloud of hot gas and finally the electron returns back emitting photon