Zero error is that stubborn little flaw in your instrument that adds or subtracts itself to every single measurement you take. I learnt it the hard way when my entire physics practical table was declared wrong in college, all because my vernier had a positive error I’d blissfully ignored. Everyone says just apply the correction, but my life says that error is a lot like our Guwahati traffic—if you don’t account for it from the very start, your whole journey goes *hatt*?
#exams#study
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