If the true value of a quantity is 3g, which of the following values are most precise?
2.98g, 2.97g
3.01g, 2.99g
2.94g, 2.97g
2.97g, 2.99g
As we learnt
Precision & Accuracy -
Precision is the closeness of various measurements for the same quantity
- wherein
True value of a quantity is 5g. A student measures it twice and gets 4.95g and 4.94g.
Since, 2.98g & 2.97g are closest to in value to each other, they are most precise reagardless of their accuracy.
Solution is A
Option 1)
2.98g, 2.97g
This is correct.
Option 2)
3.01g, 2.99g
This is incorrect.
Option 3)
2.94g, 2.97g
This is incorrect.
Option 4)
2.97g, 2.99g
This is incorrect.
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