Answer:
Metals conduct heat and reduce the kinetic energy within the components that need to remain cool
The statement given in the question is FALSE.
Ecological Succession refers to the change in the specie structure of an ecosystem over a long period of time. There are two types of succession, primary and secondary succession. A primary success is said to occur when an ecosystem is totally destroyed to the extent that even the soil is wipe out. In this case, the ecosystem development has to start from the scratch. A succession is said to secondary if only part of the ecosystem is destroyed.
Answer:
The (minimum) thickness of the oil slick is 325 nm.
Explanation:
Let the (minimum) thickness of the oil slick = ![t_{o}](https://tex.z-dn.net/?f=t_%7Bo%7D)
Therefore:
2
= (
+
)*λ
/
(1)
similarly,
2
=(
)*λ
/
(2)
Thus, equation 1 = equation 2
(
+
*λ
= (
*λ![_{violet}/n_{o}](https://tex.z-dn.net/?f=_%7Bviolet%7D%2Fn_%7Bo%7D)
Where:
λ![_{red} = 650 nm](https://tex.z-dn.net/?f=_%7Bred%7D%20%3D%20650%20nm)
λ![_{violet} = 390 nm](https://tex.z-dn.net/?f=_%7Bviolet%7D%20%3D%20390%20nm)
![n_{o} = 1.5](https://tex.z-dn.net/?f=n_%7Bo%7D%20%3D%201.5)
Therefore:
=650/390=5/3
This shows that,
=2
=1
Thus, using equation 2
=![\frac{5*390}{2*2*1.5} =325 nm](https://tex.z-dn.net/?f=%5Cfrac%7B5%2A390%7D%7B2%2A2%2A1.5%7D%20%3D325%20nm)
Answer:
632 nm
Explanation:
For constructive interference, the expression is:
Where, m = 1, 2, .....
d is the distance between the slits.
The formula can be written as:
....1
The location of the bright fringe is determined by :
Where, L is the distance between the slit and the screen.
For small angle ,
So,
Formula becomes:
Using 1, we get:
For two fringes:
The formula is:
For first and second bright fringe,
Given that:
d = 0.200 mm
L = 5.00 m
Also,
1 cm = 10⁻² m
1 mm = 10⁻³ m
So,
d = 0.2×10⁻³ m
Applying in the formula,
Also,
1 m = 10⁹ nm
<u>So wavelength is 632 nm</u>