Green light has a wavelength of about 510 nm and travels at a speed of 3.00•10^8m/s. The frequency of green light rounded to the nearest tenth and written in scientific notation, is •10^14Hz.

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.

Suppose a comet has an orbital period of 309.1 years around the sun. what is it’s average distance from the sun?

How do cracks affect the rate of weathering?