---
title: "Which of the following pairs of properties correctly describes an ideal fluid as defined in the AP Physics 1 curriculum?"
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date_modified: "2026-08-18T02:39:29+00:00"
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# Which of the following pairs of properties correctly describes an ideal fluid as defined in the AP Physics 1 curriculum?

Which of the following pairs of properties correctly describes an ideal fluid as defined in the AP Physics 1 curriculum?

- **A.** Compressible and has viscosity.
- **B.** Has no fixed shape and has density.
- **C.** Has a fixed shape and is incompressible.
- **D.** Incompressible and has no viscosity.

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