Which of the following correctly arranges the planets by the size of their diameter in increasing order? a: uranus < neptune < mercury < earth b: earth < mercury < neptune < uranus c: mercury < earth < saturn < jupiter d: jupiter < saturn < earth < mercury

Ascientist notices that an oil slick floating on water when viewed from above has many different colors reflecting off the surface, making it look rainbow-like (an effect known as iridescence). she aims a spectrometer at a particular spot and measures the wavelength to be 750 nm (in air). the index of refraction of water is 1.3