1) Vibrations are at right angles to direction of energy transfer. 2) The particle move up and down as wave moves from left to right. 3) Light waves 4) Peak 5) Trough 6) Amplitude 7) Wavelength 8) Vibrations are parallel to direction of energy transfer. 9) The particles move forward and backwards as wave moves from left to right. 10) Sound waves 11) Compression 12) Rarefaction 13) Radio waves 14) Ultrasounds

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?