| ⇦ | 
| ⇨ |
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 plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- Moderator used in nuclear reactor is
- A particle is moving in a circle with uniform speed v. In moving from a point to another
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A plane wave of wavelength 6250Å is incident normally on a slit of width 2×10⁻² cm.
- Moderator used in nuclear reactor is
- A particle is moving in a circle with uniform speed v. In moving from a point to another
- The e.m.f. of a battery is 2 V and its internal resistance is 0.5 Ω. The maximum
- Two points are located at a distance of 10 m and 15 m from the source of oscillation
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