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Serggg [28]
3 years ago
12

How long is a WiFi wavelength? A) 10 cm B) 12 cm C) 15 cm D) 20cm

Physics
2 answers:
SVEN [57.7K]3 years ago
7 0
I think the answer is c) 15 cm
Hoochie [10]3 years ago
3 0

Answer:

12.5 centimeters

Explanation:

I would just put C

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A real object is 10.0 cm to the left of a thin, diverging lens having a focal length of magnitude 16.0 cm. What is the location
amm1812

Answer:

A)6.15 cm to the left of the lens

Explanation:

We can solve the problem by using the lens equation:

\frac{1}{q}=\frac{1}{f}-\frac{1}{p}

where

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p is the distance of the object from the lens

In this problem, we have

f=-16.0 cm (the focal length is negative for a diverging lens)

p=10.0 cm is the distance of the object from the lens

Solvign the equation for q, we find

\frac{1}{q}=\frac{1}{-16.0 cm}-\frac{1}{10.0 cm}=-0.163 cm^{-1}

q=\frac{1}{-0.163 cm^{-1}}=-6.15 cm

And the sign (negative) means the image is on the left of the lens, because it is a virtual image, so the correct answer is

A)6.15 cm to the left of the lens

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ACTION REACTION FORCES

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