A well-lagged bar of length 100cm has its ends maintained at 100oC and 40oC respectively. What is .... Question 10939

A well-lagged bar of length 100cm has its ends maintained at 100^oC and 40^oC respectively. What is the temperature at a point 60cm from the hotter end?

58^oC

62^oC

64^oC

76^oC

Correct answer is D

100^oC ....100cm

60^oC ....60cm

40^oC .... 0cm

\(\frac{\theta - 40}{100 - 40}\) = \(\frac{60 - 0}{100 - 0}\)

\(\theta\) = 76^oC

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A well-lagged bar of length 100cm has its ends maintained at 100oC and 40oC respectively. What is the temperature at a point 60cm from the hotter end?

Aptitude Tests

A well-lagged bar of length 100cm has its ends maintained at 100^oC and 40^oC respectively. What is the temperature at a point 60cm from the hotter end?