Yokka Stars

Task id12518

Task id12518

Seller: nerdmavr

Price: 0.20 USD

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Product description

There is a point light source on the surface of a flat screen. A mirror in the shape of an equilateral triangle with side a=20 cm is located parallel to the screen. The center of the mirror is opposite the source. Determine the diameter of the light spot formed on the screen by the rays reflected from the mirror.

Additional information

Detailed solution. Format gif