Jimenezmiranda
06.05.2020 •
Physics
Using the diagram and these formulas, describe what will happen to the focal length if di is halved but do is doubled.
A) the focal length decreases
B) the focal length increases
C) the focal length is undetermined
D) the focal length remains unchanged
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Ответ:
*** B.F Skinner is known for inventing the operant conditioning chamber. ***