Working Backwards Task – Hidden Lens. A point source will be moved around for you in front of a lens. The lens is hidden behind a screen.

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Presentation transcript:

Working Backwards Task – Hidden Lens

A point source will be moved around for you in front of a lens. The lens is hidden behind a screen.

Answer the following on your own

What type of lens is behind the screen? A. Concave B. Convex C. Cannot be determined

Consult with your neighbors and then answer again

What type of lens is behind the screen? A. Concave B. Convex C. Cannot be determined

A point source will be moved around for you in front of a lens. The lens is hidden behind a screen.

Answer the following on your own

What type of lens is behind the screen? A. Concave B. Convex C. Cannot be determined

Consult with your neighbors and then answer again

What type of lens is behind the screen? A. Concave B. Convex C. Cannot be determined