In Milikan’S Experiment, Static Electric Charge on the Oil Drops Has Been Obtained by Shining X-rays. If the Static Electric Charge on the Oil Drop is –1.282 × 10–18c, - Chemistry

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Numerical

In Milikan’s experiment, static electric charge on the oil drops has been obtained by shining X-rays. If the static electric charge on the oil drop is - 1.282 × 10-18C, calculate the number of electrons present on it.

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Solution

Charge on the oil drop = 1.282 ×10-18C

Charge on one electron = 1.6022 × 10-19C

∴Number of electrons present on the oil drop

`= (1.282xx10^(-18)" C")/(1.6022 xx 10^(-19)" C")`

`= 0.8001 xx 10^1`

= 8.0 

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Chapter 2: Structure of Atom - EXERCISES [Page 71]

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NCERT Chemistry Part 1 and 2 Class 11
Chapter 2 Structure of Atom
EXERCISES | Q 2.39 | Page 71

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