| ⇦ | 
| ⇨ |
A photoelectric surface is illuminated successively by monochromatic light of wavelength λ and λ/2. If the maximum kinetic energy of the emitted photoelectrons in the second case is 3 times that in the first case, the work function of the surface of the material is (h=Planck’s constant, c=speed of light)
Options
(a) 2hc/λ
(b) hc/3λ
(c) hc/2λ
(d) hc/λ
Correct Answer:
hc/2λ
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
Related Questions: - Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- The time period of a thin bar magnet in Earth’s magnetic field is T
- The frequency of fundamental tone in an open organ pipe of length
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
Topics: Dual Nature of Matter and Radiation
(150)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Two parallel long wires carry currents i₁ and i₂ with i₁ > i₂ .
- A spring balance is attached to the ceiling of a lift.A man hangs his bag on the spring
- The time period of a thin bar magnet in Earth’s magnetic field is T
- The frequency of fundamental tone in an open organ pipe of length
- A black body at 227⁰C radiates heat at the rate of 7cals/cm²s. At a temperature
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