A solid cube and a sphere are made of the same material and both have the same surface area. If both are at the temperature of 300 K then initial

A solid cube and a sphere are made of the same material and both have the same surface area. If both are at the temperature of 300 K then initial
A. rate of heat loss for both is same
B. rate of heat loss for sphere is more
C. rate of heat loss for cube is more
D. data is in sufficient

Monjur Alahi

6 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - A
`(d theta)/(dt)=AK(theta-theta_(0))`

6 views Answered 2023-02-05 15:29

Related Questions

A hollow sphere and solid sphere of the same radius rotate about their diameters with the same angular velocity and angular momentum. Then the ratio o

2 Answers 4 Views

The sum of the surface areas of a sphere and a cube is given. Show that when the sum of their volumes is least, the diameter of the sphere is equal to

2 Answers 5 Views

If a shear force of 3000 N is applied on a cube of side 40 cm, then displacement of the top surface of the cube when bottom surface is fixed, is `" "(

2 Answers 5 Views

A solid hemisphsere is mounted on a solid cylinder, both having equla radii. If the whole solid is to have a fixed surface are and the maximum possibl

2 Answers 4 Views

A solid sphere cools at the rate of `2.8^(@)C` per minute, when its temperature is `127^(@)C`. Find the rate at which another solid copper sphere of t

2 Answers 6 Views

A solid sphere of copper of radius R and hollow sphere of copper of inner radius r and outer radius R are heated to the same temperature and allowed t

2 Answers 5 Views

A sphere and a cube of equal volumes both are made of iron and have similar surface. If both are cool in identical surrounding, at a lower temperature

2 Answers 4 Views

A sphere, a cube and a thin circular plate all made of the same material and having the same mass are initially heated to a temperature of `300^(@)C`.

2 Answers 4 Views

Two spherres made of same material have radii in the ratio 2:1. if both the spheres are at same temperature, then what is the ratio of heat radiation

2 Answers 4 Views

The volume and the surface area of a sphere are numerically the same. Then the volume of the smallest cylinder in which the sphere

2 Answers 4 Views

এক্সাম দিয়ে মেধা যাচাই করুন

Job Preparation (1125)

Admission (754)

এসএসসি (10)

এইচএসসি (5)