Which type (P or S) is usually stronger and why? *

Answer

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.

4. if you were an astronaut on the moon, what would you experience? what would you see from your perspective?

Which statements did both aristotle and ptolemy assume? check all that apply.