The number of atoms in a mobile phone handset may be estimated by dividing the approximate volume of the handset by the approximate volume of an atom. What is a reasonable estimate of the number of atoms in a mobile phone handset?

Physics

IGCSE&ALevel

CAIE

Exam No：9702_s25_qp_14 Year：2025 Question No：1

Answer:

1.1.1 understand that all physical quantities consist of a numerical magnitude and a unit.

1.1.2 make reasonable estimates of physical quantities included within the syllabus

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