Which statement is true about destructive interference of light? A. It is the same as constructive interference.
B. It results in a brighter beam of light. C. It provides evidence of light acting as a wave.
D. It provides evidence of light acting as particles.

Part 1: a magnetic levitation or maglev train rides rails without touching them. explain how this works using your data. include the appropriate magnet drawing in your answer. part 2: two objects are near a bar magnet. one is about 1 cm away, while the other is 6 cm away. compare and contrast the magnetic force that affects each object. use your data to answer the question

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value