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Question 5A small hole P is made in a piece of cardboard. The hole is illuminated by a touch as shown in the figure. The pencil of light coming out of the hole falls on a mirror.At which point should the eye be placed, so that the hole can be seen?

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Question 5



A small hole P is made in a piece of cardboard. The hole is illuminated by a touch as shown in the figure. The pencil of light coming out of the hole falls on a mirror.







At which point should the eye be placed, so that the hole can be seen?





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