PDF chapter test TRY NOW
- Fix a concave 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.
Is the image real or virtual?
The image is .
Is it of the same size as the flame?
The image formed will be .
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 |
\(50\ cm\) | |||
\(40\ cm\) | |||
\(30\ cm\) | |||
\(20\ cm\) | |||
\(10\ cm\) | |||
\(5\ cm\) |
Is it possible to obtain the image on the screen when the candle is too close to the mirror?
, the image will be when the candle is too close to the mirror.
Register for free to see more content