Which of the following is an example of diffraction

answer

i think the answer is a) as air pressure in an area increases, the density of the gas particles in that area decreases.

hope it

i'm pretty sure its b i might be wrong though!

what does the table look like

a pan containing water is placed in a positio n where it is exposed to a 10 mile per hour wind. the pan contains a uniform depth of 1.27 cm of water, is quite wide, and has a length of 2.44 m in the wind direction. the water in the pan is at a constant temperature of 15.5 °c.