A teacher asks a group of students to use a ruler to measure the amplitude of the wave shown below. Between which of the following points should the amplitude be measured? A. Points U and Z
B. Points V and X
C. Points W and Y
D. Points X and Z

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

30 points - when can a theory be modified if a new type of technology allows for new observations that raise new questions? a. immediately, while the questions about the theory are being asked b. after new hypotheses related to the theory are tested in experiments c. only after the new observations disprove all parts of the theory d. while scientists begin to think about how the theory could improve

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.