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The de-Broglie wavelength of an electron having 80 eV of energy is nearly(Given 1 ev= 1.6 x 10⁻¹⁹ kg, Mass of electron=9 x 10⁻³¹ kg, Planck’s constant= 6.6 x 10⁻³⁴ J-sec)
Options
(a) 1.4 Å
(b) 14 Å
(c) 0.14 Å
(d) 140 Å
Correct Answer:
1.4 Å
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - What is the energy of He⁺ electron in first orbit?
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Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What is the energy of He⁺ electron in first orbit?
- A carnot’s engine operates with source at 127° C and sink at 27°C
- A shell of mass 200 g is ejected from a gun of mass 4 kg by an explosion
- A uniform rod of length l is placed with one end in contact with the horizontal
- If the kinetic energy of the particle is increased to 16 times its previous value
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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