At sunset, the sun appears reddish. what is most likely the reason for this phenomenon? a) sunlight travels through a longer distance at sunset and interacts with more particles. b) sunlight travels through a shorter distance at sunset and interacts with more particles. c) sunlight travels through a longer distance at sunset and interacts with fewer particles. d) sunlight travels through a shorter distance at sunset and interacts with fewer particles.
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Physics, 22.06.2019 18:00
Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.
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Physics, 22.06.2019 22:30
Determine the net charge of the predominant form of arg at (a) ph 1.0, (b) ph 5.0, (c) ph 10.5, and (d) ph 13.5
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Physics, 23.06.2019 02:30
Find an expression for the electric field e⃗ at the center of the semicircle. hint: a small piece of arc length δs spans a small angle δθ=δs /r, where r is the radius. express your answer in terms of the variables q, l, unit vectors i^, j^, and appropriate constants.
Answers: 1
Physics, 23.06.2019 04:31
A90db sound wave strikes an eardrum whose area is 5.0×10^-5m^2. how much energy is absorbed by the eardrum per second
Answers: 1
At sunset, the sun appears reddish. what is most likely the reason for this phenomenon? a) sunlight...
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