These Object Screens have 10cm of graduations along their bottom edges. They are intended to have light cast on them after it has been effected by other objects on the optical bench.The graduations will then allow you to measure the light and how it has been changed. Packed in packs of 10.
Sold in a case of 10 packs for 100 total object screens.
For use with our Student Model Optical Bench (#4-66000).
PRODUCT WARNINGS
WARNING: This product can expose you to chemicals including nickel, lead, and chromium, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
Our products are not toys. Use in a laboratory or educational setting only. Not for children 13 and under.