A lens (f-number) has following measurements: diameter is 5.4 cm and focal length is 17.6 cm. Determine the speed of the lens. (A) 6.32 (В) 6.23 (С) 2.63 (D) 3.26

Principles of Instrumental Analysis
7th Edition
ISBN:9781305577213
Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Chapter7: Components Of Optical Instruments
Section: Chapter Questions
Problem 7.17QAP
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A lens (f-number) has following measurements: diameter is 5.4 cm and focal length is 17.6 cm.
Determine the speed of the lens.
(А) 6.32
(В) 6.23
(C) 2.63
(D) 3.26
Transcribed Image Text:A lens (f-number) has following measurements: diameter is 5.4 cm and focal length is 17.6 cm. Determine the speed of the lens. (А) 6.32 (В) 6.23 (C) 2.63 (D) 3.26
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