What type of optical device can be used to correct farsightedness?
a. any lens
b. a con...
Physics, 30.08.2019 11:10 briana21092005
What type of optical device can be used to correct farsightedness?
a. any lens
b. a convex lens
c. a concave lens
d. any convex device
Answers: 1
Physics, 21.06.2019 16:00, mohamedramadan
Apiano tuner uses a tuner to create a tone of 5.00 x 10² hz. when a key on the piano is struck he hears 5 beats per second. what is a possible frequency of vibration for the piano string? 2500 hz 1300 hz 605 hz 495 hz
Answers: 1
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