MCQOPTIONS
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MCQOPTIONS
| 1. |
Which of the following produce em radiation in ir region? |
| A. | Body with negative temperature |
| B. | Body with temperature less than 100<sup>0</sup>C |
| C. | Body with temperature less than 600<sup>0</sup>C |
| D. | Body with temperature less than 1000<sup>0</sup>C |
| Answer» D. Body with temperature less than 1000<sup>0</sup>C | |