Experimental evidence
What Experimental evidence means in Physics A-Level, as defined for AQA, OCR.
Definitions of Experimental evidence
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain Experimental evidence in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Firing electrons through a thin graphite film or narrow slit and observing a diffraction pattern on a fluorescent screen.
The pattern of alpha-particle scattering, which provides evidence for a small, dense, positively charged nucleus.
Topics that use Experimental evidence
- Rutherford scattering (A-level only) (AQA A-Level)
- Wave–particle duality (OCR A-Level)
Related terms
- Absorption and shielding
- Absorption experiment
- Absorption of radiation
- Atomic and nuclear structure
- Atomic spacing
- Background radiation
- Background radiation and correction
- Choice of radiation source
Using Experimental evidence in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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