What description best describes both mirrors and lenses?
a) mirrors reflect light and lenses...
Physics, 25.08.2019 23:20 rocksac6744
What description best describes both mirrors and lenses?
a) mirrors reflect light and lenses refract light.
b) mirrors diffract light and lenses absorb light.
c) lenses reflect light and mirrors refract light.
d) mirrors absorb light and lenses diffract light.
Answers: 2
Physics, 22.06.2019 18:30
An electron in an x-ray machine is accelerated through a potential difference of 1.00 × 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
Answers: 2
Physics, 23.06.2019 01:10
The path of a satellite orbiting the earth causes it to pass directly over two tracking stations a and b, which are 51 miles apart. when the satellite is on one side of the two stations, the angles of elevation at a and b are measured to be 87 degrees and 84 degrees, respectively. (a) how far is the satellite from station a? (b) how high is the satellite above the ground?
Answers: 3
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