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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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- A conducting square frame of side ‘a’ and a long straight wire carrying current I
- A body covers 200 cm in the first 2 seconds and 220 cm in the next 4 seconds.
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- A circular disc rolls down an inclined plane.The ratio of rotational kinetic energy
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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