yesterday got a SMS, and can any one explain it....
One Re= 100ps
=10ps x10ps (Notice the how the equation goes haywire from here)
=0.1Re X0.1Re
=0.01Re
= 1 paisa
confused... can any one explain it...
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2You can't factor an equation with units like that - you end up squaring the conversion factor between ps and Re. – Dorebell Jul 30 '14 at 07:32
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$100$ ps $\neq 10$ ps $\times 10$ ps, $100$ ps $= 10$ $\times 10$ ps – Vikram Jul 30 '14 at 07:49
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Dimensionally, $$100ps\ne10ps\times10ps=100(ps)^2\\0.01Re\ne0.1Re\times0.1Re=0.01(Re)^2$$
So,
$$1 Re= 100ps =10 \times10\; ps =10 \times0.1\;Re =1 Re\\ \boxed{1Re = 100 ps}$$
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