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The mass of a beaker is (28.2±0.3)g when empty and (47.6±0.3)g when filled with a liquid. The mass of the liquid with possible accuracy is

a
(19.4±0.6)g
b
(75.8±0.6)g
c
(19.4±0.3)g
d
(75.8±0.3)g

detailed solution

Correct option is A

Mass of liquid=(mass of beaker with liquid)-(mass of empty beaker)m=m2−m1=47.6−28.2=19.4 Δm=0.3+0.3=0.6m±Δm=(19.4±0.6)g

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