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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
(150)
Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In a coil having e.m.f. of 8 V induced for 0.05 s. The value of current changes
- A voltmeter of range 2 V and resistance 300Ω cannot be converted into ammeter
- A mass m moves in a circle on a smooth horizontal plane with velocity v₀
- If the velocity of charged particle has both perpendicular and parallel components
- A car of mass m is moving on a level circular track of radius R
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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