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2010 HSC: Explain why light having a wavelength longer than a certain value does not produce an electric current in a photocell. Sample answer: Photocells rely on the photoelectric effect for their operation. In the photoelectric effect, a photon with sufficient energy (greater than or equal...

Guys pls, Renewable creations is the drink band, the drink is made from plants. Answer is polystyrene kthx

Would suggest using Students Guide to HSC Chemistry

9:25am on the 15th, same day as English paper 2

Or you can do 1/x - 1 / x-1 = (1-x)/1 / x-1 = 1-x /x * 1/ x-1 = 1-x/(x^2-x) = 1-x/x(x-1) = 1-x/-x(1-x) = -1/x

Yeah, I'd like some advice on that too. 1/8 in Engineering for Year 11 School rank 20 Other ranks: DT: 1/14 ( I enjoy it more than engo) Phys: 11/75 Chem: 17/75 3U Maths: 7/114 2U Maths: 50/120 (wasn't feeling well during exams lol) English: 45/120 I don't know why but I'm not really liking the...

Well in Year 11, I can easily do 1500 words in 40 mins. You're all slow trololololol