MCQOPTIONS
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| 1. |
The graph. Shown in the adjacent diagram, represents the variation of temperature (T) of two bodies, x and y having same surface area, with time (t) due to the emission of radiation. Find the correct relation between the emissivity (e) and absorptivity (a) of the two bodies [IIT-JEE (Screening) 2003] |
| A. | \[{{e}_{x}}>{{e}_{y}}\And \,\,\,{{a}_{x}}<{{a}_{y}}\] |
| B. | \[{{e}_{x}}<{{e}_{y}}\And \,\,\,{{a}_{x}}>{{a}_{y}}\] |
| C. | \[{{e}_{x}}>{{e}_{y}}\And \,\,\,{{a}_{x}}>{{a}_{y}}\] |
| D. | \[{{e}_{x}}<{{e}_{y}}\And \,\,\,{{a}_{x}}<{{a}_{y}}\] |
| Answer» D. \[{{e}_{x}}<{{e}_{y}}\And \,\,\,{{a}_{x}}<{{a}_{y}}\] | |