Questions
The relative density of material of a body is found by weighing it first in air and then in water. If the weight in air is newtons and weight in water is newtons.Then the relative density along with the maximum permissible percentage error is
detailed solution
Correct option is A
Weight in air = (5.00±0.05)NWeight in water = (4.00±0.05)NLoss of weight in water = (1.00±0.1)NNow relative density = weight in airweight loss in wateri.e R.D = 5.00±0.051.00±0.1Now relative density with max permissible error= 5.001.00±(0.055.00+0.11.00)×100 = 5.0 ±(1+10)%= 5.0+ 11%Talk to our academic expert!
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