Explain the advantages of a reflecting telescope compared to a refracting telescope
Mirrors can be made much larger than lenses (meters compared to around 1m max). Mirrors do not produce chromatic aberration. Mirror glass does not need to be as high quality as lens glass. Mirrors produce less circular aberration than lenses
Related Physics A Level answers
All answers ▸What are the 'rules' of oscillation?
A 12V lamp, 36W is switched on for 1 hour. Find the energy supplied by the battery.
What do I need to do for full marks on the question "describe an everyday circumstance where resonance occurs (4 marks)"?
Experimentally, how would you calculate the Young's modulus of a material?