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P Diopter Change in Diving Cormorants Double crested cormorants (Phatacrocorax untus) are extraordinary birds - they can focus on objects in the air, just ke we can but ney can also focus underwater as they pursue their prey To do so, they have one of the argest accommodabon ranges in nature - that is, they can change the focal length of their yes by amounts that are greater than is possible in other animals. When a cormorant Aunges Into the ocean to calch a fish, it can change the refractive power bout 45 diopters, as compared to only 16 diopters of change passible in the human eye Should this change of 45 diopters be an increase or a decrease? ts eyes by Increase O decrease Previous AnswErs v Correct • Part B Explain. Sobm Previous Answers Submitted, grade pending • Part C If the focal length of the cormorant's eyes is 4.2 mm before it enters the water, what is the focal length alter the refractive power changes by 45 diopters? Express your answer using two significant ligures. Submit

P Diopter Change in Diving Cormorants Double crested cormorants (Phatacrocorax untus) are extraordinary birds - they can focus on objects in the air, just ke we can but ney can also focus underwater as they pursue their prey To do so, they have one of the argest accommodabon ranges in nature - that is, they can change the focal length of their yes by amounts that are greater than is possible in other animals. When a cormorant Aunges Into the ocean to calch a fish, it can change the refractive power bout 45 diopters, as compared to only 16 diopters of change passible in the human eye Should this change of 45 diopters be an increase or a decrease? ts eyes by Increase O decrease Previous AnswErs v Correct • Part B Explain. Sobm Previous Answers Submitted, grade pending • Part C If the focal length of the cormorant's eyes is 4.2 mm before it enters the water, what is the focal length alter the refractive power changes by 45 diopters? Express your answer using two significant ligures. Submit

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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IP Diopter Change in Diving Cormorants Double-crested cormorants (Phalacrocorax auntus) are extraordinary birds - they can focus on objects in the air, just like we can but they can also focus underwater as they pursue their prey To do so, they have one of the largest accommodation ranges in nature - thal is, they can change the focal length of their eyes by amounts that are grealer than is possible in olher animals. When a cormorant plunges into the ocean to calch a fish, it can change the refractive power of its eyes by about 45 diopters, as compared to only 16 diopters of change possible in the human eye. Should this change of 45 dioplers be an increase or a decrease? increase O decrease Submi Previous Answers Correct Part B Explain. 1 Submit Previous Answers Submitted, grade pending Part C If the focal length of the cormorant's eyes is 4.2 mm before it enters the water, what is the focal length after the refractive power changes by 45 diopters? Express your answer using two significant figures. f = mmi Suhmit Requast oDruor
Transcribed Image Text:IP Diopter Change in Diving Cormorants Double-crested cormorants (Phalacrocorax auntus) are extraordinary birds - they can focus on objects in the air, just like we can but they can also focus underwater as they pursue their prey To do so, they have one of the largest accommodation ranges in nature - thal is, they can change the focal length of their eyes by amounts that are grealer than is possible in olher animals. When a cormorant plunges into the ocean to calch a fish, it can change the refractive power of its eyes by about 45 diopters, as compared to only 16 diopters of change possible in the human eye. Should this change of 45 dioplers be an increase or a decrease? increase O decrease Submi Previous Answers Correct Part B Explain. 1 Submit Previous Answers Submitted, grade pending Part C If the focal length of the cormorant's eyes is 4.2 mm before it enters the water, what is the focal length after the refractive power changes by 45 diopters? Express your answer using two significant figures. f = mmi Suhmit Requast oDruor
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