Physics, 06.10.2019 14:30 cherryy

What is the focal length of a concave mirror that magnifies, by a factor of +3.2, an object that is placed 30 cm from the mirror?

a. 23cm
b. 32cm
c. 44cm
d. 46cm

Answers: 2

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What is the focal length of a concave mirror that magnifies, by a factor of +3.2, an object that is...