An electron and a photon each has a wavelength of 1.0nm. Find (a) their momenta, (b) the energy of the photon , and © the kinetic energy electron.
Take `h=6.63xx10^(-34) Js`.

Explanation

To solve the problem step by step, we will calculate the momentum of both the electron and the photon, the energy of the photon, and the kinetic energy of the electron.

### Given Data:
- Wavelength (λ) = 1.0 nm = \(1.0 \times 10^{-9}\) m
- Planck's constant (h) = \(6.63 \times 10^{-34}\) Js
- Speed of light (c) = \(3.0 \times 10^{8}\) m/s
- Mass of electron (m) = \(9.1 \times 10^{-31}\) kg

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