A cube and a sphere of equal edge and radius, made of the same substance are allowed to cool under identical conditions. Determine which of the two will cool at a faster rate.

A cube, sphere and a cylinder made of same material shown in figure are allowed to cool under identical conditions. Determine which of these will cool at a faster rate? .

A cube, sphere and a cylinder made of same material shown in figure are allowed to cool under identical conditions. Determine which of these will cool at a faster rate? .

Two solid spheres of radii 5cm and 3cm are made of same material and have similar surface. The spheres are raised to the same temperature and then allowed to cool under identical conditions. The ratio of rate of fall of temperature is

Two solid spheres of radii R_(1) and R_(2) are made of the same material and have similar surfaces. These are raised to the same temperature and then allowed to cool under identical conditions. The ratio of their initial rates of loss of heat are

Two solid spheres of radii R_(1) and R_(2) are made of the same material and have similar surfaces. These are raised to the same temperature and then allowed to cool under identical conditions. The ratio of their initial rates of loss of heat are

Two solid spheres of radii R_(1) and R_(2) are made of the same material and have similar surfaces. These are raised to the same temperature and then allowed to cool under identical conditions. The ratio of their initial rates of loss of heat are

A metallic solid sphere and a hollow sphere of same material and external radius are heated to the same temperature and allowed to cool in the same environment .Which of the two has aa greater cooling rate?

Two solid spheres of radii R_(1) and R_(2) are made of same material and have similar surface. The spheres are raised to the same temperature and then allowed to cool under identical conditions. Assuming spheres to be perfect conductors of heat, their initial ratio of rates of loss of heat is:

Two copper spheres of the same external radius, one solid but the other hollow, are heated up to a certain temperature and then are allowed to cool under similar condition. Which sphere will cool faster ?