| ⇦ | 
| ⇨ |
The threshold wavelength for photoelectric emission from a material is 4800 Å. Photoelectrons will be emitted from the material, when it is illuminated with light from a
Options
(a) 40 W blue lamp
(b) 40 W green lamp
(c) 100 W red lamp
(d) 100 W yellow lamp
Correct Answer:
40 W blue lamp
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - A astronomical telescope has objective and eye-piece of focal lengths
- If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- Amout of heat required to raise the temperature of a body through 1 K is called its
- A ray of light is incident on a transparent glass slab of refractive index 1.62
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A astronomical telescope has objective and eye-piece of focal lengths
- If the angle of minimum deviation is 60° for an equilateral prism, then the refractive
- Amout of heat required to raise the temperature of a body through 1 K is called its
- A ray of light is incident on a transparent glass slab of refractive index 1.62
- A disc of mass 100 g is kept floating horizontally in air by firing bullets
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