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- Fix a convex mirror on a stand and place it on a table.
- Paste a piece of white paper on a cardboard sheet (say about \(15\ cm\) \(×\) \(10\ cm\)) as a screen.
- Keep a lighted candle on the table at a distance of about \(50\ cm\) from the mirror.
- Try to obtain the image of the flame on the screen.
- For this, move the screen till a sharp image of the flame is obtained.
- Make sure that, the screen does not obstruct the light from the candle falling on the mirror.
Does the image formed on the screen?
Now move the candle towards the mirror and place it at different distances from it. In each case try to obtain the image on the screen. Record your observation in the table below.
Distance of the object from the mirror | Smaller/ larger than the object | Inverted / erect | Real / virtual |
\(50\ cm\) | |||
\(40\ cm\) | |||
\(30\ cm\) | |||
\(20\ cm\) | |||
\(10\ cm\) | |||
\(5\ cm\) |
What type of image is formed on the screen? Explain.
It is only visible in the convex mirror as a image. The image in the convex mirror is always , whatever the distance may be.
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