Sebuah lampu laser memancarkan cahaya berwarna merah dengan panjang gelombang 740nm dan frekuensi gelombang cahaya sebesar 450THz. Nilai panjang dan frekuensi gelombang cahaya berwarna merah apabila dituliskan dalam notasi ilmiah adalah...

Two polarizers are oriented at 24.0∘ to one another. light polarized at a 12.0-degree angle to each polarizer passes through both. what is the transmitted intensity (%)?

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

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of