A 29 cm pencil is placed 35 cm in front of a convex lens and illuminated by a spotlight. The focal point of the lens is 28 cm from the lens.

A. What is the height of the pencil's image?

B. How far from the lens will the image of the pencil be focused?

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Ответ:

superfly903

24.04.2020

Physics

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A 29 cm pencil is placed 35 cm in front of a convex lens and illuminated by a spotlight. The focal point of the lens is 28 cm from the lens. A. What is the height of the pencil's image? B. How far from the lens will the image of the pencil be focused?