All Textbook Topics - Light - Investigating the law of reflection with a ray box - When lining a mirror up with the mirror line on a paper diagram, you need to line the back of the mirror up with the mirror line

When lining a mirror up with the mirror line on a paper diagram, you need to line the back of the mirror up with the mirror line

As part of the equipment setup for investigating the law of reflection, you will need to line a small mirror up with the mirror line you have drawn.

The photo below shows the mirror ready to be lined up with the mirror line:

When you place the mirror on the line, make sure that the back of the mirror is put on the line.

Here is a close up to show how to line the back of the mirror up with the line:

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The first step to investigating the law of reflection with a ray box is to draw out a template showing the position of the mirror and incident ray with respect to the normal.
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You need to line the incident ray up with the ray on paper so that the drawn line is exactly in the middle of the light ray.

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