BITSAT 2011 Paper

Section: Physics

Question : 39 of 150

Marks: +1, -0

An electron, in a hydrogen-like atom, is in an excited state. It has a total energy of –3.4 eV. The kinetic energy and the de-Broglie wavelength of the electron are respectively

+3.4 eV, 0.66 × 10–9 m
–3.4 eV, 1.99 × 10–9 m
2.8 eV, 2.38 × 10–10 m
1.1 eV, 1.28 × 10–9 m

Validate

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