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How is high speed internet transmitted around the world?

1 answer:

7 0

Answer:

How is high-speed internet typically transmitted around the world? over telephone wires b. through fiber optic cables c. beamed wirelessly to homes d via satellites

Explanation:

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An object's distance from a converging lens is 3.78 times the focal length. a) Determine the location of the image. Express the

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Answer:

a) v=1.36f

b)m=.36

c) real

d) Inverted

Explanation:

In this question we have given,

object distance from converging lens,u=-3.78f

focal length of converging lens,=f

we have to find location of image,v=?

and magnification,m=?

we know that u, v and f are related by following formula

$\frac{1}{f} =\frac{1}{v}- \frac{1}{u}$ .............(1)

put values of f u in equation (1)

we got,

$\frac{1}{f} =\frac{1}{v}- \frac{1}{-3.78f}$

$\frac{1}{f}-\frac{1}{3.78f} =\frac{1}{v}$

$\frac{2.78}{3.78f} =\frac{1}{v}$

v=1.36f

b) Magnification, $m=\frac{v}{u} \\m=\frac{1.36f}{3.78f}\\m=.36$

Here the object is located further away from the lens than the focal point therefore image is real image and inverted.

d) image is inverted

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