Question

請寫出如圖所示的幾個實驗所揭示的物理道理：

                                     

                  

                                                                        

甲：                                                                  

乙：                                                                  

丙：                                                                   

Answer 1

液體可以傳聲     真空不能傳聲    光在均勻介質中沿直線傳播【答案合理都給分】