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 ▸Draw and describe the major points of a typical stress-strain graph for a metal.
State Ohm's Law and the main characteristics of ohmic conductors, giving examples
Explain how bright fringes arise in Young's double slit experiment
A basketball player throws his ball vertically upwards with an initial speed of v=40 m/s. Ignore air resistance. What is the speed of the ball at half of the maximum height?