A thin converging lens is used to produce a sharp image of a candle.
Various sharp images are produced on the screen by moving the lens and the screen backwards and forwards.
Which statement is always correct?
1 )
The image is at the principal focus (focal point) of the lens.
2 )
The image is bigger than the object.
3 )
The image is closer to the lens than the object.
The image is inverted.
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