MCQOPTIONS
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MCQOPTIONS
| 1. |
A cylindrical rod having temperature \[{{T}_{1}}\] and \[{{T}_{2}}\] at its ends. The rate of flow of heat is \[{{Q}_{1}}\]cal/sec. If all the linear dimensions are doubled keeping temperature constant then rate of flow of heat \[{{Q}_{2}}\]will be [CBSE PMT 2001] |
| A. | \[4{{Q}_{1}}\] |
| B. | \[2{{Q}_{1}}\] |
| C. | \[\frac{{{Q}_{1}}}{4}\] |
| D. | \[\frac{{{Q}_{1}}}{2}\] |
| Answer» C. \[\frac{{{Q}_{1}}}{4}\] | |