PRINCIPLES OF INSTRUMENTAL ANALYSIS
PRINCIPLES OF INSTRUMENTAL ANALYSIS
7th Edition
ISBN: 9789353506193
Author: Skoog
Publisher: CENGAGE L
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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:

F=fd

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

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