physics 0.0 / 5 ? PhysicsGCSEAQA Created by: zoeCreated on: 09-05-13 19:46 254716 Across 1. ---------- the ratio of energy (useful power) output to total energy (power) input, expressed as a percentage or as a decimal number (10) 5. ------ can kill cancer cells (6) 6. --- ---- the massive explosion that sent all matter outwards signalling the start of the universe creating space and time (3, 4) 7. frequency is measured in ----- (5) Down 1. light transfers ------ from one place to another (6) 2. --------- the number of cycles or oscillations that occur in 1 second; measured in hertz (Hz) (9) 4. ---------- the distance between two successive peaks or throughs in a wave (10)
Comments
No comments have yet been made