| ⇦ | 
| ⇨ |
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: - 10 mA current can pass through a galvanometer of resistance 25 ohm.
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- In a region, the potential is represented by V(x,y,z)=6x-8xy-8y+6yz, where V
- When a mass M is attached to the spring of force constant k,
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- A horizontal straight conductor kept in north-south direction falls under gravity. Then
- In a region, the potential is represented by V(x,y,z)=6x-8xy-8y+6yz, where V
- When a mass M is attached to the spring of force constant k,
- An object is projected with a velocity of 20 m/s making an angle of 45⁰ with horizontal.
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