I got 2 You're either a reet brainbox or a lucky guesser. Fire away lads. http://www.theguardian.com/news/quiz/2014/dec/19/daily-quiz-19-december-2014
4. I guessed badly. 3 of my second choices would have given me 7. Having used a green laser for the last 4 years certainly helped on the wavelength one.
5 but that was mostly lucky guesses. Only ones I did know the answers to were mellow yellow and yellow ball.
Your results 7 out of a possible 10 Good work! I hope it portends a good Christmas 5 I knew for certain the others were guesses.