Which of the following types of electromagnetic radiation has the longest wavelength?

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

You win the lottery and decide to impress your friends by exhibiting a million-dollar cube of gold. at the time, gold is selling for $ 426.60 per troy ounce, and 1.0000 troy ounce equals 31.1035 g. -how tall would your million-dollar cube be? en cm

Ways that industry and agriculture use physical properties to separate substances