PhysicsLAB NextTime Question
Photoelectric Effect

When the zinc ball of the charged electroscope is illuminated with ultraviolet light, the leaves of the electroscope collapse. Was the electroscope charged positive or negative?

View Correct Answer

Paul G. Hewitt
Copyright © 1984-2005
All rights reserved.
Used with written permission.
HTML conversion
Copyright © 1997-2018
Catharine H. Colwell
All rights reserved.
Mainland High School
Daytona Beach, FL 32114