| ⇦ | 
| ⇨ |
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: - Stress to strain ratio is equivalent to
- A change of 0.04 V takes place between the base and the emitter when an input
- The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
- Two strings A and B, made of same material are stretched by same tension
- In a thermodynamic system, working substance is ideal gas. Its internal energy
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Stress to strain ratio is equivalent to
- A change of 0.04 V takes place between the base and the emitter when an input
- The velocity of a particle at an instant is 10 ms⁻¹.After 3 s its velocity will become
- Two strings A and B, made of same material are stretched by same tension
- In a thermodynamic system, working substance is ideal gas. Its internal energy
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