3. All of the following are parts of a longitudinal wave EXCEPT

Physics

2 answers:

erastova [34]3 years ago

6 0

The answer is Crest and all the others are the part of a longitudinal wave

Goryan [66]3 years ago

3 0

Crest. Hope this helpled

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5.0 Points The blue color of the sky is the result of

mina [271]

The blue color of the sky is the result of scattering. The answer is letter B. it is specifically called the Rayleigh scattering. This blue color is the result of the incoming rays of the Sun into the earth’s atmosphere. It has he lowest wavelength which as we all see is the blue spectrum of light.

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3 years ago

Which of the following statements about Masters programs is not correct?

uranmaximum [27]

The correct answer is C. The level of competition is not very high in most Masters programs.

Explanation:

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The intensity I of light varies inversely as the square of the distance D from the source. If the intensity of illumination on a

emmasim [6.3K]

The intensity on a screen 20 ft from the light will be 0.125-foot candles.

<h3>What is the distance?</h3>

Distance is a numerical representation of the length between two objects or locations.

The intensity I of light varies inversely as the square of the distance D from the source;

I∝(1/D²)

The ratio of the intensity of the two cases;

$\rm \frac{I_1}{I_2} =(\frac{D_2}{D_1} )^2\\\\ \rm \frac{2}{I_2} =(\frac{20}{5} )^2\\\\ \frac{2}{I_2} =4^2 \\\\ I_2= \frac{2}{16} \\\\ I_2= 0.125 \ foot-candles$