Penn Physical Science Lesson 5 700173RR/Penn Physical Science Lesson 5 700173RR

Question 

Question 1 

1. If red and yellow paint are mixed together, which color of light will be reflected? 

A. Red

B. Black

C. White

D. Orange

Question 2 

2. Which of the following values represents an index of refraction of an actual material? 

A. .25

B. 1.25

C. 0

D. .5

Question 3 

3. The rate at which light energy is radiated from a source is measured in which of the following units? 

A. Lumen

B. Candela

C. Lux

D. Angstrom