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CBSE Class 11-science Answered

A steel tape is calibrated at 20o C. A piece of wood is being measured by steel tape at 10o C and reading is 30 cm on the tape. The real length of the wood is:
Asked by Kim | 30 Dec, 2013, 12:03: PM
answered-by-expert Expert Answer
The real length of the wood is less than 30 cm because the steel tape has contracted on decreasing the temperature.
Answered by | 30 Dec, 2013, 11:03: PM

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CBSE 11-science - Physics
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CBSE 11-science - Physics
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CBSE 11-science - Physics
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CBSE 11-science - Physics
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