What is magnetism?

A force between moving charges

AG
Answered by Andrew G. Physics tutor

1997 Views

See similar Physics A Level tutors

Related Physics A Level answers

All answers ▸

When light above the threshold frequency of a metal is shone on the metal, photoelectrons are emitted. If the power of the light halves, are the maximum kinetic energy of the photoelectrons and/or the number of photoelectrons altered, and if so, how?


What are the 'rules' of oscillation?


How are X-Rays produced?


What are vectors?


We're here to help

contact us iconContact ustelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

MyTutor is part of the IXL family of brands:

© 2025 by IXL Learning