Entry Test MCQ :: Measurements
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Three students measured length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is correct record?
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only (i) | [B]. |
only (ii)
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only (iii) | [D]. |
both (i) and (ii) |
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dua said:
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| in correct the correct ans should be A because it is more accurate |
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Sairah said:
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| the correct answer should be B bcx a meter rod can only read upto two decimal points |
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sabeen said:
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| its correct coz 1mm=0.001m so answer should b up to three decimal point |
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Muhammad Yasir Ali said:
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| I think its A because the more signifacant numbers in a measurement the more correct it is.so A have 4 signifcant figures |
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hamza said:
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| meter rod can read upto two decimal places but firstly you should convert its least count in meters |
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