Physics, 17.07.2019 04:10 mahaypatto
Abeam of light is traveling inside a solid glass cube having index of refraction 1.53. it strikes the surface of the cube from the inside. (a) if the cube is in air, at what minimum angle with the normal inside the glass will this light not enter the air at this surface? (b) what would be the minimum angle in part (a) if the cube were immersed in water?
Answers: 3
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In the future, people will only enjoy one sport: electrodisc. in this sport, you gain points when you cause metallic discs hovering on a field to exchange charge. you are an electrodisc player playing the popular four disc variant. the disks have charges of qa = −8.0 µc, qb = −2.0 µc, qc = +5.0 µc, and qd = +12.0 µc. (1) you bring two disks together and then separate them. you measure the resulting charge of these two disks and find that it is +5.0 µc per disk. which two disks did you bring together? (a) a and b (b) a and c (c)a and d (d)b and c(e) b and d (f) c and d. (2) you bring three disks together and then separate them. you measure the resulting charge of these three disks and find that it is +3.0 µc per disk. which three disks did you bring together? a, b, and c (a) a, b, and d (c) a, c, and d (d) b, c, and d. (3) given the resulting charge of each disk measured in (b) is +3.0 µc, how many electrons would you need to add to a disk of this charge to electrically neutralize it? electrons
Answers: 3
Abeam of light is traveling inside a solid glass cube having index of refraction 1.53. it strikes th...
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