Science

ChemistryPrinciples of Instrumental AnalysisThe speed or f-number of a lens with diameter 5.2 cm and focal length 15.6 cm needs to be determined. Concept introduction: Speed of lens is calculated by using the relationship between the focal length and the diameter of the lens. This relation is given as: F = f d Here, f is focal length and d is diameter of the lens.Start your trial now! First week only $4.99!*arrow_forward*

BuyFind*launch*

7th Edition

Douglas A. Skoog + 2 others

Publisher: Cengage Learning

ISBN: 9781305577213

Chapter 7, Problem 7.16QAP

Interpretation Introduction

**Interpretation:**

The speed or f-number of a lens with diameter 5.2 cm and focal length 15.6 cm needs to be determined.

**Concept introduction:**

Speed of lens is calculated by using the relationship between the focal length and the diameter of the lens. This relation is given as:

Here, f is focal length and d is diameter of the lens.