The Volume of a Copper Cube of Side Length 20 $\circ$

question 24

Multiple Choice

The volume of a copper cube of side length 20 cm increases by 2.7 * 10^-5 m³ as it is heated.What change in temperature of the cube caused the volume to increase? The linear expansion coefficient of copper is 17 x 10^-6/ ^$\circ$ C.

• A)90 \(\circ\) C
• B)67 \(\circ\) C
• C)59 \(\circ\) C
• D)78 \(\circ\) C

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, used in finance to quantify the risk of an investment.

Unsystematic Risk

A type of risk that affects a very specific group of securities or an individual security and can be mitigated through diversification.

Business-Specific Risk

Also known as unsystematic risk, it refers to the risk associated with a specific sector or company.

Diversified Portfolio

An investment strategy that involves spreading investments across various asset classes to reduce risk.