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Chapter 37: Q. 13 (page 1082)

Suppose that in a hypothetical oil-drop experiment you measure the following values for the charges on the drops:3.39脳10-19C,6.65脳10-19C,2.66脳10-19C,10.64脳10-19Cand9.31脳10-19C. What is the largest value of the fundamental unit of charge that is consistent with your measurements?

Short Answer

Expert verified

The largest value of the fundamental unit of charge is1.33脳10-19C

Step by step solution

01

Step 1:Given information

We are given with the values of the charges that are measured experimentally

3.99脳10-19,6.65脳10-19,2.66脳10-19,10.64脳10-19,9.31脳10-19

we have to find out the largest value of fundamental unit of charge.

02

Step 2:Reason

As all charges should be the integral multiple of fundamental charges.

And if we assume 1.33脳10-19Cas a fundamental charge then all the charges should be integral multiple of it.

03

Step 3:Check 

Taking 1.33脳10-19as a fundamental charge,

all the charges should be integral multiple of it

for example,

1.33脳10-19脳2=2.66脳10-19C

Similarly,

all the charges are integral multiple of 1.33脳10-19C.

Hence,1.33脳10-19Cis the fundamental unit of charge.

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