Micrometer

Definition

An instrument used to measure very small lengths, such as the thickness or diameter of an object, to high precision.

Used by AQA

Specification 4.3.1.1 · Paper 1

A ruler may be suitable for a large cuboid; Vernier callipers are more precise for external dimensions, while a micrometer is useful for a small thickness or diameter.
Revise: Required Practical: Determining Density

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GCSE Physics · key term

An instrument used to measure very small lengths, such as the thickness or diameter of an object, to high precision.

Used by AQA

Specification 4.3.1.1 · Paper 1

A ruler may be suitable for a large cuboid; Vernier callipers are more precise for external dimensions, while a micrometer is useful for a small thickness or diameter.
Revise: Required Practical: Determining Density

Create a free account to read GCSE Physics revision notes for your exam board and track your progress.