Part C Constants An 108-mm-focal-length lens is used to focus an image on the se

Question

Part C Constants An 108-mm-focal-length lens is used to focus an image on the sensor of a camera. The maximum distance allowed between the lens and the sensor plane is 137 mm How far in front of the sensor should the lens (assumed thin) be if the object to be photographed is 1.0 m away from the lens? Follow the sign conventions. Express your answer to two significant figures and include the appropriate units. 13 Value Units Submit Request Answer ? Part D What is the closest object this lens could photograph sharply? Follow the sign conventions. Express your answer to three significant figures and include the appropriate units LA minValue Units Submit Request Answer

Explanation / Answer

object distance d03 = 1 m = 1000 mm

focal length f = 108 mm

image distance di3 = ?

from lens equation

1/d03 + 1/di3 = 1/f

1/1000 + 1/di3 = 1/108

di3 = 121.1 mm   <<----------ANSWER

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part D

maximum image distance dimax = 137 mm

minimum image distance domin = ?

focal length f = 108 mm

1/domin + 1/dimax = 1/f

1/domin + 1/137 = 1/108

domin = 510.2 mm <<------ANSWER

DONE please check the answer. any doubts post in comment box

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