Determine the de Broglie wavelength of a proton, whose kinetice energy is equal to the rest of the mass energy of an electron. Given that the mass of an electron is `9xx10^(-31)` kg and the mass of a proton is `1837` times as that of the electron.

Explanation

To determine the de Broglie wavelength of a proton whose kinetic energy is equal to the rest mass energy of an electron, we can follow these steps:

### Step 1: Understand the relationship between kinetic energy and rest mass energy
The kinetic energy (KE) of the proton is given to be equal to the rest mass energy of the electron. The rest mass energy (E) of an electron can be calculated using the formula:
\[ E = m_0 c^2 \]
where \( m_0 \) is the mass of the electron and \( c \) is the speed of light.
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