At what temperature a gold ring of diameter 6.230 cm be heated so that it can be fitted on a wooden bangle of diameter 6.241 cm? Both the diameters have been measured at room temperature (27∘C).
(Given: coefficient of linear thermal expansion of gold α1=1.4×10−5 K−1)
[June 29, 2022 (II)]
(a) 125.7∘C
(b) 91.7∘C
(c) 425.7∘C
(d) 152.7∘C