Physics A-Level
distance modulus
What distance modulus means in Physics A-Level, as defined for AQA.
Definition of distance modulus
Check what you remember
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Reference: AQA
The relation m − M = 5 log₁₀(d / 10 pc), used to determine distance from apparent and absolute magnitudes.
Topics that use distance modulus
- Supernovae, neutron stars and black holes (A-level only) (AQA A-Level)
Related terms
- Accretion
- Active galactic nuclei
- Black hole
- Chandrasekhar limit
- dark energy
- Light curve
- Long-duration GRB
- Luminosity
Using distance modulus in the exam
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