臨界頻率是 2.07×1014 的金屬暴露到波長為5.24×10m目視可見光時,發(fā)出的電子的速度是多少?
物理題目俺不會做
一道英文化學題
一道英文化學題
Find the velocity of an electron emitted by a metal whose threshold frequency is 2.07×1014 when it is exposed to visible light of wavelength 5.24×10m.
Find the velocity of an electron emitted by a metal whose threshold frequency is 2.07×1014 when it is exposed to visible light of wavelength 5.24×10m.
英語人氣：933 ℃時間：2020-05-09 07:44:13
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