LOCATING IMAGES IN COVERGING LENSES USING RAY DIAGRAMS

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LOCATING IMAGES IN COVERGING LENSES USING RAY DIAGRAMS

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LOCATING IMAGES IN COVERGING LENSES USING RAY DIAGRAMS

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LOCATING IMAGES INCOVERGING LENSESUSING RAY DIAGRAMS

Grade 10 Science – Optics Unit

Cardinal Ambrozic C.S.S.

RAY DIAGRAM #1: Object beyond 2F

1. - Incident Ray 1 travels parallel to PA

and strikes the lens

- Ray is refracted through F

2. - Incident Ray 2 passes through F and

strikes the lens

1

- Ray is refracted so it is parallel to PA

3. - Incident ray passes through O (optional)

3

2

O

2F

F

F

2F

6. Draw the image where the refracted rays meet!

RAY DIAGRAM #2: Object at 2F

O

2F

F

F

2F

RAY DIAGRAM #:3 Object between F and 2F

O

2F

F

F

2F

RAY DIAGRAM #4: Object at F

Can we draw a second incident ray through the focal point?

O

2F

F

F

2F

Will our two rays form to meet an image?

No, therefore NO IMAGE!

RAY DIAGRAM #5: Object between F and the lens

O

2F

F

F

2F