Question

Question #edbbc

Answer 1

CGS Unit of Planck's Constant `h` is
`"erg"cdot s`

Explanation:

Planck's Constant `h` is a physical constant.

It has a value of `6.6261 xx 10^-27 cm^2 gm s^-1` in CGS units and `6.6261 × 10^-34 m^2 kg s^-1` in SI units.

As your question is in CGS system of units, we will use these only.

The famous equation `E=hxxnu`
Where `E` is the energy of a quantum of light.
`nu` is its frequency.
Lets us write units of all the known quantities
Unit of Energy is: erg
Unit of frequency is: Hz or `s^-1`
`E=hxxnu`
`"erg"="unit of "hxxs^-1`, solving for 'unit of `h`'

`"unit of "h="erg"/s^-1="erg"cdot s`
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