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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
- An electric charge 10⁻³ μC is placed at the origin (0,0) of X-Y co-ordinate system.
- During an adiabatic process, the pressure of a gas is found to be proportional
- An inductor coil is connected to a 12 V battery and drawing a current 24 A. This coil
- The moment of inertia of a rod about an axis through its centre and perpendicular
- A boy is trying to start a fire by focusing sunlight on a piece of paper using
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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