Green light shines through a $100-$mmmm$-$diameter hole and is observed on a screen. If the hole diameter is increased by $20\%\%,$ does the circular spot of light on the screen decrease in diameter, increase in diameter, or stay the same? Explain.

Match the words in the left column to the appropriate blanks in the sentences on the right.

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The wavelets do not interfere in this case

The diameter of the central maximum is inversely proportional to the diameter of the hole

The diameter of the central maximum is proportional to the diameter of the hole

The hole is too large to observe the diffraction

$----------$

increases

decreases

does not change

Blank and so the diameter of the spot of light on the screen Blank with the hole's diameter.target $1$ of $2$target $2$ of $2$

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