Physics · Light - Reflection and Refraction
When an object is placed at the principal focus of a convex lens, where is the image formed and what is its nature?
- 1Between focus and 2F; real, inverted, and diminished
- 2At twice the focus (2F); real, inverted, and of same size
- 3At infinity; real, inverted, and highly enlarged✓
- 4Between focus and optical centre; virtual and erect
Correct answer
At infinity; real, inverted, and highly enlarged
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