Physics, 05.09.2020 15:01 tesiabrown10
12. Two spheres of same material and radiusr and 2r
are heated to same temperature and are kept in
identical surroundings, ratio of their rate of loss of
heat is
(a) 1:2 (b) 1:4 (c) 1:6 (d) 1:8
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Answers: 1
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Physics, 22.06.2019 07:30
Which of the following is an example of motion in two dimensions?
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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
12. Two spheres of same material and radiusr and 2r
are heated to same temperature and are kept in<...
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