MCQ
Oxygen boils at $-183°C.$ This temperature is approximately ....... $^oF$
- A$215$
- ✓$-297$
- C$329$
- D$361$
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( ${\alpha _1},\,{\alpha _2},$ = linear expansion coefficient
$A_1, A_2$ = Area of rods
$Y_1, Y_2$ = Young modulus)
