Physics · Formation of Images by Lenses
When an object is kept at the principal focus (F) of a convex lens, the image is formed at:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1The optical centre
- 2Infinity✓
- 3Twice the focal length (2F)
- 4The focus on the other side
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Infinity
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