| ⇦ | 
| ⇨ |
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: - If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- The frequency of light ray having the wavelength 3000Å is
- The electric resistance of a certain wire of iron is R. If its length and radius
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
- Which of the following quantities has units but not dimensions
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If force(F),velocity(v) and time(T) are taken as units, then the dimensions of mass are
- The frequency of light ray having the wavelength 3000Å is
- The electric resistance of a certain wire of iron is R. If its length and radius
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
- Which of the following quantities has units but not dimensions
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