Angular measure
What Angular measure means in Physics A-Level, as defined for AQA.
Definition of Angular measure
Check what you remember
Read the wording for your board, then hide it and explain Angular measure in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
An angle linked to the arc it subtends, where a full circle is 2π rad and a right angle is π ÷ 2 rad.
Topics that use Angular measure
- Advantages of large diameter telescopes (A-level only) (AQA A-Level)
Related terms
- Astronomical calculations
- Collecting power
- Quantum efficiency
- Radian
- Rayleigh criterion
- Resolution
- Airy pattern
- Angular resolution
Using Angular measure in the exam
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