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124.Two solid spheres are heated to the same temperature and allowed to cool under identical conditions. then the ratio of initial rates of fall of temperature i.e., (d/dt)1 / (d/ dt) 2 is assuming that all the surface have the same emissivity and the ratios of their radii, specific heats and densities are respectively 1/α ; 1/β ; 1/γ, 1)αβ:1 . 2)αβ/ 3)α/β 4)1/αβ |
| Answer» 124.Two solid spheres are heated to the same temperature and allowed to cool under identical conditions. then the ratio of initial rates of fall of temperature i.e., (d/dt)1 / (d/ dt) 2 is assuming that all the surface have the same emissivity and the ratios of their radii, specific heats and densities are respectively 1/α ; 1/β ; 1/γ, 1)αβ:1 . 2)αβ/ 3)α/β 4)1/αβ | |