In Questions Determine Whether the Statement Is True or False

question 11

True/False

In questions determine whether the statement is true or false.
- $$\text { If } \mathbf { A } \text { and } \mathbf { B } \text { are } 2 \times 2 \text { matrices such that } \mathbf { A B } = \left( \begin{array} { l l } 0 & 0 \\0 & 0\end{array} \right) \text {, then } \mathbf { A } = \left( \begin{array} { l l } 0 & 0 \\0 & 0\end{array} \right) \text { or } \mathbf { B } = \left( \begin{array} { l l } 0 & 0 \\0 & 0\end{array} \right) \text {. }$$

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Definitions:

Optical Microscope

A microscope that uses light, concentrated through a condenser and focused through the object being examined, to project an image.

Condenser

A device used to condense a gaseous substance into a liquid or solid state, typically by cooling it.

Project An Image

The act of conveying a particular perception or representation of oneself to others.

Focus Controls

Elements in software or optical devices designed to adjust the clarity and sharpness of an image or to direct attention to specific tasks.