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I've always been confused about what i wanted to do in uni and just recently i've been taking an interest in hospitality. It's kind of late.. but is it possible to get into this course without the interview? or is there any other alternative uni in sydney that i can go to without having to do an...

i don't understand either!! Can someone explain the black body? From what i read a black body is heated, causing the charges in the atoms in the cavity to oscillate. Like osciallating charges in an antenna it emits electromagnetic radiation. Then theres this cavity hole where radiation comes...

fluorescent screen display: a magnet brought close to it causes the cathode ray to deflect. And applying electric plates causes it to deflect. it shows that cathode rays are made up of moving charged particles...??