Question

9.In the steady state the two ends of a meter
rod are at 30°C and 20°C, the temperature
at the 40th cm from the end at higher
temperature is
1) 22°C 26°C 3) 25°C 4) 24°C​

Answer 1

Answer:

something is missing from this question... plz ask again

Answer 2

Answer:

26°c

Explanation:

Let the temperature at that point be T

As we all know dt/dx=const.

:. (30-T)/40=(T-20)/60

:.90-3T=2T-40

:.130=5T

:.T=26