Home
Class 11
PHYSICS
A sphere and a cube both made of copper ...

A sphere and a cube both made of copper have equal volumes and are blackened. These are heated to same temperature and are allowed to cool under same surroundings. The ratio of their rates of loss of heat is

A

`1:1`

B

`p//6`

C

`6//p`

D

`p//3`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Similar Questions

Explore conceptually related problems

A Blackbody, a Whitebody, A Bluebody and a Red coloured body are heated to same temperature and are allowed to cool in the same surroundings. Then the body that cools early is

Two metallic spheres S_(1) and S_(2) made of same material have identical surface finish. The mass of S_(1) is 3 times that of S_(2) . Both are heated to same temperature and are placed in same surroundings. Then ratio of their initial rates of fall of temperature will be

A sphere, a cube and circular plate of same material and same mass are heated to same temperature. Then cooling of

Two lead spheres at the same temperature have radii in the ratio 1 :2. What is the ratio of their heat capacities?