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Share/Save/Bookmark Login/ Register to Bookmark Topic : "error...???" Started by cute_cat

cute_cat

#1 Posted 2:39pm 17-01-10  

error...???

relative density of a material is found by ratio of weight in air and decrease in weight in water. If weight of a body in air and water are measured as W in air = (10.0+-0.4)g and W in water = (5.0 +- 0.1)g, then percentage error in relative density will be??
   

rocky

#2 Posted 5:47pm 24-01-10  

Re: error...???

is it  2.41%
   

shashank

#3 Posted 3:25pm 03-03-10  

solution

is it 10%
shashank    

abhishek93

#4 Posted 7:02pm 03-03-10  

Re: error...???

is it 6%
   

abhishek93

#5 Posted 7:04pm 03-03-10  

Re: error...???

find out relative error in each measurement and then multiply by 100 to find %error
   

abhishek93

#6 Posted 7:04pm 03-03-10  

Re: error...???

didi plz verify and reply
   

Asish

#7 Posted 7:27pm 03-03-10  

Re: error...???

the question should be worded as
then[b] max[/b] percentage error in relative density will be??

otherwise... all answers are false..

it can be anything between ±the max % error
IIT has walked to me ... off to IIT K    
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