"PhysicalConstant    " (Interpreter Type)

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Natural-language reference to a physical constant.

Details

  • "PhysicalConstant" can be used in Interpreter and related constructs, including deployed smart fields.
  • Use of "PhysicalConstant" requires connectivity to the Wolfram Cloud.

Allowed Forms

  • Any natural-language description of a physical constant.

Restriction Specifications

  • Restricted["PhysicalConstant", {{choice1,…}}]one among choices
    Restricted["PhysicalConstant", entityclass]one among the physical constants of entityclass

Interpretation

  • "PhysicalConstant" yields an Entity of type "PhysicalConstant".

Examples

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Basic Examples  (3)

Interpret "speed of light" as a physical constant:

Obtain the corresponding value in standard units:

Interpret "planck's constant" as a physical constant:

Obtain the corresponding numerical value in standard units:

Restrict to physical constants in a class:

Possible Issues  (1)

A failure is returned if no physical constant interpretation exists with the specific restriction:

If a physical constant satisfying the given restriction exists, it is returned: