The de Broglie wavelength of an electron with kinetic energy 120 eV is (Given h = 6.63 ×…
Physics · Class 12 · CBSE — Dual Nature of Radiation & Matter
The de Broglie wavelength of an electron with kinetic energy 120 eV is
(Given h = 6.63 × 10–34 J s, me = 9 × 10–31 kg, 1 eV = 1.6 × 10–19 J)
(Given h = 6.63 × 10–34 J s, me = 9 × 10–31 kg, 1 eV = 1.6 × 10–19 J)
- 2.13 Å
- 1.13 Å
- 4.15 Å
- 3.14 Å
Answer
(B) 1.13 Å
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