PDF chapter test TRY NOW
- Take a concave lens and fix it on a stand.
- Place it on a table.
- Place a lighted candle at a distance of about \(50\ cm\) from the lens.
- Try to obtain the image of the candle on a paper screen placed on the other side of the lens.
- You may have to move the screen towards or away from the lens to get a sharp image of the flame.
- Now vary the distance of the candle from the lens.
- Try to obtain the image of the candle flame every time on the paper screen by moving it.
What do you observe?
Whatever the distance between the object and the lens, the image formed will always be than the object.
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