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Dahasolnce [82]
3 years ago
12

I NEED HELP PLEASE THANKS :)

Physics
1 answer:
Galina-37 [17]3 years ago
5 0

Explanation:

Diffraction of light involves a change in direction of waves as they pass through an opening or around an obstacle in their path. Water waves have the ability to travel around corners, around obstacles and through openings.

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When primary coil is exited by sin wave,this will result in sin wave in secondary coil as well.According to law,flux induced in the secondary coil will have same waveform as in the primary coil.

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All about Henry Mosléy?<br>​
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2 years ago
The closest distance a book can be read from a pair of reading eyeglasses (Power = 1.55 dp) is 26.0 cm. What is the near distanc
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Answer:

The image distance is 20.0 cm.

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Distance between book to eye = 26.0+3.00=29.0 cm

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f = \dfrac{1}{P}

Put the value into the formula

f=\dfrac{1}{1.55}

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Using lens formula

\dfrac{1}{f}=\dfrac{1}{u}+\dfrac{1}{v}

\dfrac{1}{v}=\dfrac{1}{f}-\dfrac{1}{-u}

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\dfrac{1}{v}=\dfrac{1}{64.5}-\dfrac{1}{-29}

\dfrac{1}{v}=\dfrac{187}{3741}

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3 years ago
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