AIIMS2008Physics-Thermal Properties of Matter
AIIMS 2008 Physics Thermal Conductivity MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A slab consists of two layers of different materials of the same thickness and having thermal conductivities K₁ and K₂ are connected in series.
A
2K₁K₂ / (K₁ + K₂)
B
√K₁K₂
C
K₁K₂ / (K₁ + K₂)
D
K₁ + K₂
Correct Answer
Option A
Detailed Explanation
In series combination, 1/K = 1/K1 + 1/K2
Found an issue with this question?
Related Questions
More from Thermal Properties of Matter
A bimetallic strip is made of aluminium and steel (αAl > αsteel). On heating, the strip will
Physics
A brass wire 1.8 m long at 27°C is held taut with negligible tension between two rigid supports. Diameter of the wire is 2 mm, its coefficient of line...
Physics
Which of the following graph is best explanation of cooling of hot water with time?
Physics