| ⇦ | 
| ⇨ |
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.
Related Questions: - An oscillator circuit consists of an inductance of 0. mH and a capacitor of 20 μF.
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
- A body oscillates with amplitude of 10 cm in a horizontal platform.
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- An oscillator circuit consists of an inductance of 0. mH and a capacitor of 20 μF.
- The half life of radium is 1620 yr and its atomic weight is 226 kg per kilo mol.
- If fundamental frequency of closed pipe is 50 Hz then frequency of 2nd overtone
- A body oscillates with amplitude of 10 cm in a horizontal platform.
- A coil of inductive reactance 31 Ω has a resistance of 8 Ω. It is placed in series
Topics: Dual Nature of Matter and Radiation (150)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply