For a thin lens situation, you have determined that s = 36 cm and s' = 80 cm. What is the focal length of the lens, in cm? Your answer needs to have 2 significant figures, including the negative sign in your answer if

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For a thin lens situation, you have determined that s = 36 cm and s' = 80 cm. What is the focal
length of the lens, in cm?
Your answer needs to have 2 significant figures, including the negative sign in your answer if
needed. Do not include the positive sign if the answer is positive. No unit is needed in your
answer, it is already given in the question statement.
Transcribed Image Text:For a thin lens situation, you have determined that s = 36 cm and s' = 80 cm. What is the focal length of the lens, in cm? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.
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