光的能量与光的频率成正比,与光的波长成反比,你只要找到谁的波长比较短谁的能量就是最大的
2肯定是错的,如果要打出电子产生电压the beam is above threshold,3 肯定是错的,当然有光子.1得看图,不过按排除法只能选A了
a photon of light from which of the following electromagneti
1个回答
相关问题
-
Which word of the following has a different stress from the
-
Which of the following represents "Subtract a from b,then mu
-
英语翻译Which word of the following has a different stress from
-
Which of the following signs means you can escape from the f
-
which one of the following cubes cannot be folded from this
-
Which of the following states of a compound has the greatest
-
Which of the following is a function of the plasma membrane?
-
Which of the following is NOT considered a characteristic of
-
Which of the following is not a member function of the apstr
-
Which of the following expressions represents the product of