Establece relaciones entre: a. El periodo y la frecuencia de una onda.
b. La velocidad de propagación de una onda y la frecuencia.
c. La longitud de onda y la velocidad de propagación.
d. Las ondas trasversales y longitudinales.
e. Cresta y valle de una onda.

Protons and neutrons are found within the nucleus of an atom

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.

The softest and hardest minerals are: softest hardest