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while solving this, why do you consider that (1-e^- βt) is dimensionless??

while solving this, why do you consider that (1-e^-βt) is dimensionless?? 

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Grade:11

1 Answers

CHEETALI SHARMA
32 Points
one month ago
In the above question 1-e-Bt  is dimensionless.Take a look at the quantities: the first is which is a constant having value 2.71828 which is dimensionless, then are the exponents -Bt ,where beta again is a constant,which is dimensionless, then is  which is dimensional, but it never makes sense for a physical quantity to be the power.
For example 10= 10×10×10
but ther is nothing like 103seconds 
or 103metres.

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