Astrogirl

This page lists questions and answers that were posted by visitors named Astrogirl.

Questions

The following questions were asked by visitors named Astrogirl.

The critical angle for a transparent material in air is 30 degrees. The index of refraction of the material is most nearly A) 0.33 B) 0.50 D) 1.5 E) 2.0
14 years ago

Answers

The following answers were posted by visitors named Astrogirl.

There are 7. The bottom two rows on the periodic table are actually part of the sixth and seventh row so therefore there are just 7.
14 years ago