Angular wavenumber is inverse wavelength
========================================

*Angular wavenumber* is the spatial frequency of a wave, measured in radians per unit distance.

**Links:**

#. `Wikipedia <https://en.wikipedia.org/wiki/Wavenumber#Definition>`__.

.. py:currentmodule:: symplyphysics.definitions.angular_wavenumber_is_inverse_wavelength

.. py:data:: angular_wavenumber

    :attr:`~symplyphysics.symbols.classical_mechanics.angular_wavenumber` of the wave.

Symbol:
    :code:`k`

Latex:
    :math:`k`

Dimension:
    :code:`angle/length`


.. py:data:: wavelength

    :attr:`~symplyphysics.symbols.classical_mechanics.wavelength` of the wave.

Symbol:
    :code:`lambda`

Latex:
    :math:`\lambda`

Dimension:
    :code:`length`


.. py:data:: definition

    :code:`k = 2 * pi / lambda`


    Latex:
        .. math::
            k = \frac{2 \pi}{\lambda}