For two spheres A and B, the ratio of their diameters, densities and specific heats are 1:2, 2:1 and 1:3 respectively. The ratio of their heat…

Question

For two spheres A and B, the ratio of their diameters, densities and specific heats are 1:2, 2:1 and 1:3 respectively. The ratio of their heat capacities will be

MARKS Content Team · Accepted Answer

Correct answer: (B) 1:12. m_Ac_A/m_Bc_B=(43πrA3ρ_Ac_A)/(43πrB3ρ_Bc_B)=rArB^3(ρ_Ac_A)/(ρ_Bc_B) (m_A c_A)/(m_B c_B) = 1 2^3 × 2/1 × 1/3 = 1/(1 2)

For two spheres $A$ and $B$ , the ratio of their diameters, densities and specific heats are $1 : 2$ , $2 : 1$ and $1 : 3$ respectively. The ratio of their heat capacities will be

Solution

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