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# The value of $1{A^o}$ is equal to ?

Last updated date: 20th May 2024
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Hint:Before going through the question let us first have a bit idea about the given unit of length I.e. Angstrom. A tenth of a millimicron or one ten millionth of a millimetre, is a unit of length used to express electromagnetic wavelengths.

Description: The angstrom, also known as the $\text{angstrom}$ ($A^o$) is a unit of length equal to $1 \times {10^{ - 10}}$ metres $\left( m \right)$ or $0.1{\text{ nanometers (nm)}}$. The device is commonly used to express the sizes of atoms, molecules, and electromagnetic wavelengths in physics, chemistry, and biology. In electronic engineering, the unit is often used to test integrated circuit components.
In solid-state physics, chemistry, and crystallography, the angstrom is used. The electron microscope is used to calculate light wavelengths, chemical bond lengths, and the scale of microscopic structures. X-ray wavelengths are commonly expressed in angstroms, with values ranging from $1{\text{ }}to{\text{ }}10.$
Note: The angstrom unit, on the other hand, is not recognised by the International System of Units$\left( {SI} \right)$ . It is named after Anders Jonas ngström, a 19th-century Swedish physicist. The angstrom is often used to determine atomic and molecular sizes (most elements have atoms with radii of around$1{\text{ }}to{\text{ }}2$), as well as the thickness of liquid film thickness.