Drawing Lens Ray Diagrams

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Slide 1:

The King David High School Science Department Drawing Lens Ray Diagrams By Mr Jones F F

Drawing a ray diagram for a convex lens:

Drawing a ray diagram for a convex lens F F Example 1

Slide 3:

F F 1 2 3 Draw a ray straight through the centre of the lens. Draw a ray that travels parallel to the axis towards the lens and refracts through the focal point behind the lens. Draw a ray through the focal point in front of the lens that refracts parallel to the axis.

Slide 4:

F F

Drawing a ray diagram for a convex lens:

Drawing a ray diagram for a convex lens F F Example 2

Slide 6:

F F 1 2 Draw a ray that travels parallel to the axis towards the lens and refracts through the focal point behind the lens. Draw a ray straight through the centre of the lens.

Slide 7:

F F

Drawing a ray diagram for a concave lens :

Drawing a ray diagram for a concave lens F F Example 1

Slide 9:

F F 1 2 3 Draw a ray straight through the centre of the lens. Draw a ray that travels parallel to the axis which refracts as if it came from the focal point in front of the lens. Draw a ray that travels towards the focal point behind the lens which refracts parallel to the axis.

Slide 10:

F F

Drawing a ray diagram for a concave lens :

Drawing a ray diagram for a concave lens F F Example 2

Slide 12:

F F 1 2 3 Draw a ray straight through the centre of the lens. Draw a ray that travels parallel to the axis which refracts as if it came from the focal point in front of the lens. Draw a ray that travels towards the focal point behind the lens which refracts parallel to the axis.

Slide 13:

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