| ⇦ | 
| ⇨ |
The work function of sodium is 2.3 eV. The threshold wavelength of sodium will be
Options
(a) 5380 Å
(b) 2900 Å
(c) 2500 Å
(d) 2000 Å
Correct Answer:
5380 Å
Explanation:
Work function = W₀
Wavelength = λ₀ = 12375 eV Å/ 2.3 eV = 5380 Å
Therefore, λ₀ = 5380 Å
Related Questions: - A solid sphere is rotating in free space.If the radius of the sphere is increased
- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- In Young’s double slit experiment, the ratio of maximum and minimum intensities
- When the speed of electron beam used in Young’s double slit experiment is increased,
- Ohm’s law valid
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A solid sphere is rotating in free space.If the radius of the sphere is increased
- A particle moves along the x-axis from x=0 to x=5 m under the influence of a force
- In Young’s double slit experiment, the ratio of maximum and minimum intensities
- When the speed of electron beam used in Young’s double slit experiment is increased,
- Ohm’s law valid
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