| F1-1 | Position of image. |
| Purpose: | To demonstrate reflection. |
| Description: | A piece of plate glass is mounted vertically in a darkened room. A candle is placed n front of the glass, and a glass of water is placed an equal distance behind the glass. The candle image appears in the glass of water for all observers. |
| References: | Ob-2. |
| Equipment: | Plate glass, glass of water, a candle and stands. |