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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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Topics: Dual Nature of Matter and Radiation
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise.
- In a potentiometer experiment two cells of e.m.f. E₁ and E₂ are used in series
- Energy in a current carrying coil is stored in the form of
- In the given figure, a diode D is connected to an external resistance R=100 Ω
- In a common emitter transistor amplifier, the voltage gain is
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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