A) \[\sqrt{\left( 927/27 \right)}\] times the earlier value
B) remain the same
C) gets halved
D) get doubled
Correct Answer: D
Solution :
[d] \[{{c}_{rms}}\propto \sqrt{T}\] As temperature increases from 300 K to 1200 K that is four times, so, \[{{c}_{rms}}\] will be doubled.
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