根据以下示例,写出以下四点在各方面应用中的相关事例(每种各举一例)
示例:红外线:电视机遥控器利用红外线进行遥控
(1)太阳光:_____________________________________________________________;
(2)超声波:_____________________________________________________________;
(3) 凸透镜:_____________________________________________________________;
(4)大气压强:___________________________________________________________.