| ⇦ | 
| ⇨ |
The photoelectric threshold wevelength for potassium (work function being 2 eV) is
Options
(a) 620 nm
(b) 310 nm
(c) 1200 nm
(d) 2100 nm
Correct Answer:
620 nm
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A particle starts its motion from rest under the action of a constant force
- A transverse wave is represented by y = a sin (?t – kx)
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- In an NPN transistor the collector current is 24 mA. If 80% of the electrons
- A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A particle starts its motion from rest under the action of a constant force
- A transverse wave is represented by y = a sin (?t – kx)
- Two radioactive materials X₁ and X₂ have decay constants 5λ and λ respectively
- In an NPN transistor the collector current is 24 mA. If 80% of the electrons
- A boat taken 2h to travel 8km and back in still water.If the velocity of water 4 km/h
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