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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.
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The moderator in a reactor
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
- A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV.
- Two cells, having the same e.m.f. are connected in series through an external resistance
- A tube of length L is filled completely with an incompressible liquid of mass
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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