Consider a composite slab consiste of two different materials having equal thickness and…
Physics · Class 11 · CBSE — Thermal Properties of Matter
Consider a composite slab consiste of two different materials having equal thickness and thermal conductivities K and 2K respectively. The equivalent thermal conductivity of the slab is
- 3 K
Answer
(A)
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Two rods of equal length and diameter have thermal conductivities 3 and 4 units respectively. If they are…
- Three metal rods of the same material and identical in all respects are joined as shown in the figure. The…
- Length of a wire at room temperature is 4.55 m, when the temperature increases upto 100°C then its length…
- The coefficient of volume expansion of liquid is g . The fractional change in its density for D T rise in…
- A rectangular block is heated from 0°C to 100°C. The percentage increase in its length is 0.2%. The…
- A glass full of hot milk is poured on the table. It begins to cool gradually. Which of the following is…
- If a ball of 80 kg mass hits an ice cube and temperature of ball is 100 °C, then how much ice converted into…
- Rays from the sun are focused by a lens of diameter 5 cm on to a block of ice and 10 g of ice is melted in 20…
More Thermal Properties of Matter questions · Browse all practice questions