Purchase Solution

Energy of ejected electrons

Not what you're looking for?

Ask Custom Question

A magnesium surface has a work function of 3.68 eV. Electromagnetic waves with a wavelength of 215 nm strike the surface and eject electrons. Find the maximum kinetic energy of the ejected electrons. Express your answer in electron volts.

Purchase this Solution

Solution Summary

The solution calculates the kinetic energy of ejected electrons when electromagnetic waves strike the surface.

Solution Preview

Electromagnetic waves with a wavelength of 215 nm have energy=
h= Planck's constant= 6.63E-34 J s
f=frequency= c/ wavelength;
wavelength= 215 nm= 2.15E-07 m
c= speed ...

Purchase this Solution

Free BrainMass Quizzes
Variables in Science Experiments

How well do you understand variables? Test your knowledge of independent (manipulated), dependent (responding), and controlled variables with this 10 question quiz.

Introduction to Nanotechnology/Nanomaterials

This quiz is for any area of science. Test yourself to see what knowledge of nanotechnology you have. This content will also make you familiar with basic concepts of nanotechnology.

The Moon

Test your knowledge of moon phases and movement.

Classical Mechanics

This quiz is designed to test and improve your knowledge on Classical Mechanics.

Basic Physics

This quiz will test your knowledge about basic Physics.