If substance a and substance b have very different values for the index of refraction, what will happen to a light ray that passes from one of these substances into the other?
a. it will not be deflected.
b. it will be deflected by a small amount.
c. it will be deflected by a great amount.
d. the actual values would be needed to figure this out.

Identify the amplitude on the diagram and give the correct description. question 3 options: a because amplitude is the distance from wave crest to wave crest. b because the wavelength shows amplitude. c because amplitude is the distance between a crest (or trough) and rest. d because wavelength show amplitude. (brainiest if you get it right! ) ~kayla

Jackson is designing a new heater, and he wants to experiment with different thermally conductive materials. which of these materials would be useful in conducting heat?

Mechanical energy is when there are no forces causing an object to lose energy. a. increased b. conserved c. decreased d. doubled i need this answer ! .