Which characteristics do all terrestrial planets have?

What are similarities and differences between refraction, reflection, diffraction and absorption?

Which subatomic particle has a negative charge

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