I think I didnt do too bad but lost my copy of the answers.
One question (Q3) I was disappointed with the correct answer. I answered 1 - as being the minimum required
[Explain]
The Herschelian reflector has only one mirror.
Reflectors are built for imaging where the imageing device replaces the secondary.
Ah well cant complain there was two others where I got the right answer that I was sure was wrong.
