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 ▸By referencing the magnetic field and the alternating potential difference explain how a cyclotron produces a beam of high speed particles.
Derive an expression for the centripetal acceleration of a body in uniform circular motion.
A car is travelling at 10m/s when it brakes and decelerates at 2ms^-2 to a stop. How long does the car take to stop?
What path would a charge moving in the x-y plane track, in the presence of a uniform magnetic field out of the page?