Question

1 ) A 5.2-ft-tall girl stands on level ground. The sun is 26 ∘ above the horizon. How long is her shadow?

2) A fish in a flat-sided aquarium sees a can of fish food on the counter. To the fish's eye, the can looks to be 50 cm outside the aquarium. What is the actual distance between the can and the aquarium? (You can ignore the thin glass wall of the aquarium.)

3) A 3.0-cm-tall object is 60 cm in front of a converging lens that has a 30 cm focal length.a) Calculate the image position.b)Calculate the image height. Type a positive value if the image is upright and a negative value if it is inverted.

4) A 3.0-cm-tall object is 25 cm in front of a converging lens that has a 40 cm focal length. a)Calculate the image position. b)Calculate the image height. Type a positive value if the image is upright and a negative value if it is inverted.

Answer 1