| ⇦ | 
| ⇨ |
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: - The pressure at the bottom of a tank containing a liquid does not depend on
- If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental
- A solid sylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 ms⁻¹
- A block of mass 4 kg is kept on a rough horizontal surface.The coefficient of static
- A body undergoes no change in volume. Poisson’s ratio is
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The pressure at the bottom of a tank containing a liquid does not depend on
- If a full wave rectifier circuit is operating from 50 Hz mains, the fundamental
- A solid sylinder of mass 3 kg is rolling on a horizontal surface with velocity 4 ms⁻¹
- A block of mass 4 kg is kept on a rough horizontal surface.The coefficient of static
- A body undergoes no change in volume. Poisson’s ratio is
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