The answer is B when you subtract every like term
Additional information to complete the question:
How long does it take for a short pulse of light to travel from one end of the glass to the other?
Express your answer in terms of some or all of the variables f and L. Use the numeric value given for n in the introduction.
T = ___________ s
Answer:
![T = \frac{15}{f}](https://tex.z-dn.net/?f=T%20%3D%20%5Cfrac%7B15%7D%7Bf%7D)
Step-by-step explanation:
Given:
Thickness og glass = L
Index of refraction n=1.5
Frequency = f
![Wavelength = \frac{L}{10}](https://tex.z-dn.net/?f=Wavelength%20%3D%20%5Cfrac%7BL%7D%7B10%7D)
λ(air) ![= \frac{L}{10}](https://tex.z-dn.net/?f=%3D%20%5Cfrac%7BL%7D%7B10%7D)
λ(glass) = λ(air) / n
= ![\frac{\frac{L}{10}}{1.5}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Cfrac%7BL%7D%7B10%7D%7D%7B1.5%7D)
= ![\frac{L}{10} * \frac{1}{1.5}](https://tex.z-dn.net/?f=%5Cfrac%7BL%7D%7B10%7D%20%2A%20%5Cfrac%7B1%7D%7B1.5%7D)
= ![\frac{L}{15}](https://tex.z-dn.net/?f=%5Cfrac%7BL%7D%7B15%7D)
V(glass) = fλ(glass)
![= f * \frac{L}{15}](https://tex.z-dn.net/?f=%3D%20f%20%2A%20%5Cfrac%7BL%7D%7B15%7D)
![T = \frac{L}{V_{glass}} = \frac{15}{f}](https://tex.z-dn.net/?f=T%20%3D%20%5Cfrac%7BL%7D%7BV_%7Bglass%7D%7D%20%3D%20%5Cfrac%7B15%7D%7Bf%7D)
Answer:
#1=2
#2= 14
#3= 26
#4= 32
Step-by-step explanation:
y=6x-16
Lets use the first one as an example: since x is our variable we can plug in 3 into the equation to make y=(6x3)-16. 6x3=18, so y=18-16 which is 2. You can plug in any other number to find your answer as long as you follow the pattern in the equation.
Answer:
10
4
Step-by-step explanation:
Purple: This makes two trapezoids. A=(a+b)/2 times h
1st = (4+1)/2 x 1 = 2.5
2nd = (4+1)/2 x 3 = 5/2 x 3 = 2.5x3=7.5
Total = 2.5+7.5=10
Green: if you draw a line down the center, you can divide these into two more manageable triangles. A=1/2bh
1st = 1/2x2x2 = 2
2nd = 1/2x2x2 = 2
Total = 2+2=4