题干
氦﹣氖激光器发出波长为633nm的激光，当激光器的输出功率为1mW时，每秒发出的光子数为____．
答案(点此获取答案解析）
\u3010\u89e3\u7b54\u3011\u6bcf\u4e2a\u5149\u5b50\u7684\u80fd\u91cfE=h\u03b3\uff0c\u8bbe\u6bcf\u79d2\uff08t=1s\uff09\u6fc0\u5149\u5668\u53d1\u51fa\u7684\u5149\u5b50\u6570\u662fn\uff0c\u5219Pt=nE\uff0c\u5373\uff1aP=nh\uff0cn===3.2\u00d71015\uf
