Physics, 12.11.2020 03:40 Gracebrown6990
Which wave is slightly larger than visible light with a lower frequency and creates heat energy? a. Radio b. Infrared c. ultraviolet waves d. X-rays
Answers: 3
Physics, 22.06.2019 03:30
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
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Physics, 22.06.2019 10:00
Which atomic model was proposed as a result of j. j. thomson’s work?
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Physics, 22.06.2019 11:30
With the simplified model of the eye, what corrective lens (specified by focal length as measured in air) would be needed to enable a person underwater to focus an infinitely distant object? (be careful-the focal length of a lens underwater is not the same as in air! assume that the corrective lens has a refractive index of 1.62 and that the lens is used in eyeglasses, not goggles, so there is water on both sides of the lens. assume that the eyeglasses are 1.90
Answers: 1
Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
Answers: 1
Which wave is slightly larger than visible light with a lower frequency and creates heat energy?
a....
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