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Umnica [9.8K]
3 years ago
15

What best describes the difference between the second sound wave and the first?

Physics
1 answer:
Vikki [24]3 years ago
8 0
Missing an attached sheet with the sound waves. Please add the attached sheet so I can properly help.

Thanks! :D
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a wall of glass 2cm thickhas inside temperature of 30°C,outside temperature of15°C.how much heat is flowing through the glass(k=
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Which statement is characteristic of a concave lens?
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The acceleration due to gravity on the earths surface is?​
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A clear sheet of polaroid is placed on top of a similar sheet so that their polarizing axes make an angle of 30° with each other
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Answer:

\dfrac{I}{I_0}=\dfrac{3}{8}

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Given that

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I=Intensity of emerging light

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I=\dfrac{I_0}{2}cos^2\theta

I=\dfrac{I_0}{2}cos^230^{\circ}

We know that

cos30^{\circ}=\dfrac{\sqrt{3}}{2}

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alina1380 [7]

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A. Direct

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Thats just how it be

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