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Biology; Chemistry; Physics: Post your doubts here!

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we will take the plasticine and fix the wire to the ruler and then wrap it around the scale several times....then we will count the no. of turns and divide the reading/length by the no. of turns and take the average value.
wow u r a genious. please explan part b and c and last please
 
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we will take the plasticine and fix the wire to the ruler and then wrap it around the scale several times....then we will count the no. of turns and divide the reading/length by the no. of turns and take the average value.
dont they want the diameter of the wire? and not the reel??? :eek:
 
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dont they want the diameter of the wire? and not the reel??? :eek:
its the same thing....see the length will be the diameter :p try to think...if u take a thread and wrap it around a scale and count the no. of turms u'll get the diameter...
 
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as in if there are 2 angles of refraction in a diagram which one to calculate
 
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we will take the plasticine and fix the wire to the ruler and then wrap it around the scale several times....then we will count the no. of turns and divide the reading/length by the no. of turns and take the average value.

which diameter are they asking?? :eek:
 
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