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 ▸Calculating the hydrostatic force on a submerged body
A pellet of mass 8.8 g embeds itself in a wooden block of 450 g which is suspended by a light in-extensible string. After the collision the block reaches a max height of 0.63 m. Calculate the initial velocity of the pellet.
Describe energy transformations in a oscillating pendulum, which undergoes simple harmonic motion. How this implies the velocity at critical (lowest and highest) points?
From the definition of the decay constant for nuclear decay, derive the exponential decay equation.