Yokka Stars

Task id13180

Task id13180

Seller: nerdmavr

Price: 0.17 USD

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Product description

On the optical bench, a screen, a point light source S, a positive lens and a plane mirror are successively located. The distances are shown in Fig. 146. How many times will the illumination in the center of the screen change if a flat mirror is moved to the right by a distance F equal to the focal length of the lens?

Additional information

Detailed solution. Format gif