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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Van der waals,equation of state is(p+a/v²)(V-b)=nRT. The dimensions of a and b
- 4 point charges each +q is placed on the circumference of a circle
- A glass slab consists of thin uniform layers of progressively decreasing refractive
- Two particles A and B having equal charges, after being accelerated
- The equiconvex lens has focal length f. If it is cut perpendicular to the principal
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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