Physics, 21.05.2021 20:10 lovelarissa
9) An object with a height of 18 cm is placed in front of a converging lens. The image has a
height of –9.0 cm.
a) What is the magnification of the lens?
b) If the focal length of the lens is 6.0 cm, how far in front of the lens is the object?
c) Where does the image appear?
Answers: 2
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If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction
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The magnitude of the poynting vector of a planar electromagnetic wave has an average value of 0.939 w/m^2 . the wave is incident upon a rectangular area, 1.5 m by 2.0 m, at right angles. how much total electromagnetic energy falls on the area during 1.0 minute?
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Physics, 22.06.2019 19:50
State the below theories and give the name of the writer of the theory 1. wave theory 2. quantum theory 3. corpuscular theory 4. electromagnetic theory
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9) An object with a height of 18 cm is placed in front of a converging lens. The image has a
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