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A rectangular piece of cardboard with an L-shaped hole is held 1.0m directly in front of...

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Physics

A rectangular piece of cardboard with an L-shaped hole is held1.0m directly in front of a point source of light. The cardboard is1.5m away from a wall. The cardboard and the wall are parallel. Theheight H of the L is 15.40cm. The width W of the L is 7.08cm.

How tall is the image of the L on the wall?
How wide is the image of the L on the wall?

Answer & Explanation Solved by verified expert
3.8 Ratings (321 Votes)
The first thing we will do is to project the beam of light fromthe point source to the board and then to the wall This is goingto generate relationships right triangles with each otherto understand a little    See Answer
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