Question

Two pieces of pure copper are shown below. The two pieces must have the same ?

Answer 1

Visibly you can see that the two copper are different sizes so the mass and volume are different. No information is given about the temperature but they are side by side so you can assume they're both room temp. The density is a ratio of mass per volume. The density will remain the same unless the two are different purities or physical states.

Answer 2

The two pieces of pure copper must have the same temperature. The correct option is A.

What is density?

The density is the ratio of the mass and the volume of the object. It is denoted by ρ.

ρ = mass/Volume = m/V

Given are the two pieces of pure copper. One is cube in shape and another is cuboid.

Both will have different volume. As volume is related to the mass and density. So, they are also different for the two pieces of copper. But, the temperature does not depends on the remaining parameters.

Thus, the correct option is A.

Learn more about density.

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