At what temperature a gold ring of diameter 6.230cm be heated so that it can be fitted on a wooden bangle of diameter. 6.241cm? Both the diameters have been measured at room temperature (27°C).
(Given : coefficient of linear thermal expansion of gold aL = 1.4 × 10-5 K-1)
At what temperature a gold ring of diameter 6.230cm be heated so that it can be fitted on a wooden bangle of diameter. 6.241cm? Both the diameters have been measured at room temperature (27°C).
(Given : coefficient of linear thermal expansion of gold aL = 1.4 × 10-5 K-1)
Option 1 -
125.7°C
Option 2 -
91.7°C
Option 3 -
425.7°C
Option 4 -
152.7°C
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1 Answer
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Correct Option - 4
Detailed Solution:According to question, we can write
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