A) 8500 K
B) 4500 K
C) 7500 K
D) 6500 K
Correct Answer: C
Solution :
By using Wien*s displacement law, \[{{({{\lambda }_{m}})}_{1}}\,{{T}_{1}}={{({{\lambda }_{m}})}_{2}}{{T}_{2}}\] \[\Rightarrow \] \[500\times 6000=400\times {{T}_{2}}\] \[\Rightarrow \] \[{{T}_{2}}=\frac{500\times 6000}{400}\] \[{{T}_{2}}=7500\,K\]
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