Learning Materials
Features
Discover
Chapter 38: Q 4 (page 1114)
Photoelectrons are observed when a metal is illuminated by light with a wavelength less than 388 nm. What is the metal’s work function?
Work function of the metal is 3.2 eV
Over 30 million students worldwide already upgrade their learning with Vaia!
All the tools & learning materials you need for study success - in one app.
Get started for free
What is the energy, in eV, of (a) a 450 MHz radio-frequency photon, (b) a visible-light photon with a wavelength of 450 nm, and (c) an x-ray photon with a wavelength of 0.045 nm?
In a photoelectric-effect experiment, the wavelength of light shining on an aluminum cathode is decreased from 250 nm to 200 nm. What is the change in the stopping potential?
17. What is the de Broglie wavelength of a neutron that has fallen in a vacuum chamber, starting from rest?
What about the winding of the frauliens , and in the hydroponics In what spectral range do these lie?
I FIGURE EX38.24 is an energy-level diagram for a simple atom. What wavelengths, in \mathrm{nm}, appear in the atom's (a) emission spectrum and (b) absorption spectrum?
FIGURE EX38.24 n=1-E_{1}=0.00 \mathrm{eV}
What do you think about this solution?
We value your feedback to improve our textbook solutions.
Explanations 
Textbooks 
Exams 
GCSE 
IGCSE 
AS 
A Level 
International A Level 
University Admissions Tests 
Flashcards 
Vaia AI 
Notes 
Study Plans 
Study Sets 
Find a job 
Find a degree 
Student Deals 
Magazine 
Mobile App