What is the final de broglie wavelength of the electron

Reference no: EM13267353

8. When light with a wavelength of 223 nm is incident on a certain metal surface, electrons are ejected with a maximum kinetic energy of 3.32 × 10-19 J. Determine the wavelength of light that should be used to quadruple the maximum kinetic energy of the electrons ejected from this surface.

___________nm

9. A particle has a de Broglie wavelength of 3.00 × 10-10 m. Then its kinetic energy doubles. What is the particle's new de Broglie wavelength, assuming that relativistic effects can be ignored?

___________________m

10. An electron, starting from rest, accelerates through a potential difference of 413 V. What is the final de Broglie wavelength of the electron, assuming that its final speed is much less than the speed of light?

_________________m

Reference no: EM13267353

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