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A LITTLE SOMETHING WORTH KNOWING

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ScienceOne small ahaUnit or constant

This constant links a photon's energy to its frequency.

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ScienceOne small aha
Your new ahaPlanck's Constant

Planck's Constant — symbol or unit: h. Source: Planck constant ↗

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More from Measures & Constants

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  1. 13This universal constant sets gravity's strength in Newton's inverse-square law.RECALL
    Gravitational Constant

    The gravitational constant sets the strength of gravity between masses and was first measured by Henry Cavendish.

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  2. 14Water freezes at 32 degrees on this temperature scale, still common in the United States.RECALL
    The Fahrenheit Scale

    The Fahrenheit scale, still used in the United States, sets water's freezing point at 32 degrees.

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  3. 15At standard atmospheric pressure, water freezes at 0 and boils at 100 on this temperature scale.RECALL
    The Celsius Scale

    The Celsius scale, used across most of the world, sets water's freezing and boiling points at 0 and 100 degrees.

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