HEL so what's the difference between incidence ray and incident ray also refraction ray and reflection ray cuz i don't see any difference between them?

An incident ray through the focal point of a spherical mirror will: reflect through the center of curvature. reflect back through the focal point. reflect parallel to the principle axis. reflect the same direction as the incident ray.

What are the factors that affect the resistance of a wire?

Which of the following bonds would be most polar? a. c-i b. c-br c. c-cl d. c-f e. c-o