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2 years ago

11

How is the converging mirrors and diverging mirrors the same?

1 answer:

tia_tia [17]2 years ago

6 0

Answer:

In converging mirrors light rays at the focus, while In diverging mirror it diverges the rays. Converging mirrors have positive focal length while Diverging mirrors have negative focal length. Converging mirrors form real,inverted and erect image while Diverging mirrors form erect images.

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Purification of copper can be achieved by electrorefining copper from an impure copper anode onto a pure copper cathode in an el

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where Q= quantity of electricity in coloumbs

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t= time in seconds = ?

The deposition of copper at cathode is represented by:

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$57748032=39.5\times t$

$t=1461975sec=406hours$ (1hour=3600s)

Thus it will take 406 hours to plate 19.0 kg of copper onto the cathode if the current passed through the cell is held constant at 39.5 A

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