A double concave lens has surface radi of 31.4 cm and 28.3 cm. T Part A What is the focal length it n 1.56? Follow the sign conventions Express your answer to two significant figures and include the appropriate units. A 1- Value Submit Provide Feedback Bequest Answer Units
A double concave lens has surface radi of 31.4 cm and 28.3 cm. T Part A What is the focal length it n 1.56? Follow the sign conventions Express your answer to two significant figures and include the appropriate units. A 1- Value Submit Provide Feedback Bequest Answer Units
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![A double concave lens has surface radi of 31.4 cm and
28.3 cm.
T
Part A
What is the focal length if n 1.56? Follow the sign conventions.
Express your answer to two significant figures and include the appropriate units.
A
1- Value
Submit
Provide Feedback
Bequest Answer
Units](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F00464438-3060-48ea-8475-204edb988f0c%2F2e57e209-222e-4b0b-adc0-5cf424758542%2Fh05eo3q_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A double concave lens has surface radi of 31.4 cm and
28.3 cm.
T
Part A
What is the focal length if n 1.56? Follow the sign conventions.
Express your answer to two significant figures and include the appropriate units.
A
1- Value
Submit
Provide Feedback
Bequest Answer
Units
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