Understanding Light

Intensity, direction, frequency (color) and polarization.

An attribute, quality or description of something, usually in a way that can be quantified or compared.

Intensity (brightness), direction, frequency (color) and polarization.

<p>To understand how light behaves.</p> Signup and view all the answers

<p>Step 1: Fold the paper, draw a line along the fold. Step 2: Stand the mirror upright on the line. Step 3: Draw a dot or cross on the paper and stick a pin or thumbtack in it.</p> Signup and view all the answers

<p>To draw a line from your eye, along the paper, to where the pin appears in the mirror.</p> Signup and view all the answers

<p>Extend the two lines until they cross using the ruler.</p> Signup and view all the answers

<p>Keep the lines solid.</p> Signup and view all the answers

<p>Dash the lines.</p> Signup and view all the answers

<p>Connect them to the dot or cross you drew.</p> Signup and view all the answers

<p>Draw a line at 90 degrees (right angles) to the mirror surface.</p> Signup and view all the answers

<p>That light travels in straight lines and bounces off the mirror.</p> Signup and view all the answers

<p>Frequency or color.</p> Signup and view all the answers