A-Level PhysicsYear 2019Q15
page 12 15. The diagram shows an experiment set up to investigate the photoelectric effect. The frequency of the incident radiation is varied and the current in the circuit is measured. vacuum A zinc plate incident radiation Which graph shows the relationship between the current I in the circuit and the frequency f of the incident radiation? E D C B A I I I I I 0 0 0 0 0 f f f f f
Paper Source:NH_Physics_all_2019.pdf
Get full Socratic AI guidance on this question — free in the Applaa desktop app
Appy Buddy guides you step-by-step toward the answer without giving it away. Type your attempt and get instant, mark-scheme-aware clues that teach you to think like an examiner.
Applaa Desktop App
Join Applaa Community
Create your own games, learn AI concepts, program interactive apps, and share with a kid-safe community approved by parents. Free forever on Windows and Mac.
Download Free
Available for Windows and macOS · COPPA Compliant
Exam Specification Info
This question is part of the UK A-Level Physics syllabus. In the actual exam, structured questions typically require linking specific keywords to gain full marks. Applaa helps you drill these topics.
Syllabus levelAdvanced Level (A-Level)
SubjectPhysics
Official MarksVariable (2–6 marks)