Modern physics
Review the permitted syllabus objectives and practice reviewed questions for this CSCA topic.
What to study
- photoelectric effect
- atomic structure
- introductory nuclear physics
The scope shown here follows the syllabus-derived guardrails used by the CSCAPrep question factory. Related advanced material is not added unless it appears in the defined scope.
Practice this topic
Hard · Modern physicsLight of wavelength 400 nm shines on a metal surface with work function 2.0 eV. What is the maximum kinetic energy of…Easy · Modern physicsIn a photoelectric effect experiment, the work function of a metal is 2.0 eV. When light of photon energy 4.0 eV strikes…Standard · Modern physics用频率为ν的光照射某金属表面，恰好发生光电效应。若改用频率为2ν的光照射同一金属，则逸出的光电子的最大初动能变为多少？（已知普朗克常量为h）Standard · Modern physics用频率为 6×10¹⁴ Hz 的光照射某金属表面，恰好发生光电效应。已知普朗克常量 h = 6.63×10⁻³⁴ J·s，求该金属的逸出功（结果保留两位有效数字）。Standard · Modern physics用频率为5.0×10¹⁴ Hz的光照射某金属表面，恰好发生光电效应。求该金属的逸出功（普朗克常量 h=6.63×10⁻³⁴ J·s）。Standard · Modern physics用频率为ν的光照射某金属表面，恰好发生光电效应。现改用频率为2ν的光照射同一金属，则逸出光电子的最大初动能是（普朗克常量为h）Standard · Modern physics用频率为ν的光照射某金属表面，恰好发生光电效应。若改用频率为2ν的光照射同种金属，则逸出的光电子最大初动能为多少？（已知普朗克常量为h）Hard · Modern physicsLight of frequency 1.5 x 10^15 Hz is incident on a metal with work function 3.0 eV. What is the maximum kinetic…Easy · Modern physicsThe work function of a metal is 2.0 eV. When light of photon energy 3.0 eV shines on it, what is the…Standard · Modern physicsLight of frequency 1.0 x 10^15 Hz is incident on a metal with work function 3.0 eV. What is the maximum kinetic…