106ans shud be 0.99989 cm ... one of the extremely few wrong ans. of HCV i think... even i have that dbt... why its given 1.00011 cm...
A meter scale made of stell is calibrated at 20°C to give correct reading. Find the distance between 50 cm mark and 51 cm mark if the scale us used at 10°C. Coefficient of linear expansion of stell is 1.1 X 10 -5 /°C.
Ans. 1.00011 cm
just explain me that why the distance bet. them is increasing???
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3 Answers
106
13r the 50 cm mark and 51 cm mark on this steal scale???
or some other wooden scale...and the steal scale is being used to measure the dist??
anyway from the language given it should be .99989 cm