Transmission Of Heat Question 62
Question: The temperature of hot and cold end of a $ 20cm $ long rod in thermal steady state are at $ 100^{o}C $ and $ 20^{o}C $ respectively. Temperature at the centre of the rod is
[MP PMT 1996]
Options:
A) $ 50^{o}C $
B) $ 60^{o}C $
C) $ 40^{o}C $
D) $ 30^{o}C $
Show Answer
Answer:
Correct Answer: B
Solution:
Temperature gradient $ =\frac{100-20}{20}=4{}^\circ C/cm $ temperature at centre $ =100-4\times 5 $ = 80°C
BETA
