How many places can you put the lens to form a well-focused image of the candle flame on the wall?

Question

9

lizawr

Asked: April 10, 20222022-04-10T08:10:19+00:00 2022-04-10T08:10:19+00:00In: Physics

How many places can you put the lens to form a well-focused image of the candle flame on the wall?

9

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A 1.0-cm-tall candle flame is 2.0 m from a wall. You happen to have a lens with a focal length of 32 cm .

How many places can you put the lens to form a well-focused image of the candle flame on the wall?

What are the distance between the candle and the lens for each location?

For each location, what is the height of the image?

♦ Relevant knowledge

Eyes have a lens that is transparent structure that is made of fluids and proteins, that are located in the middle of the eye’s iris. Along as the cornea aids the eye focus light on the retina. The lens’s shape is similar to a flattened ball that is stepped over and forming an ellipsoid-like shape.