Teniendo en cuenta los momentos ¿cuál es la diferencia entre las 3 imágenes?

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.

What is meant by the statement" the melting poin of glycerine is 13 degree celsius

Which bonds are found inside a water molecule