Same chapter3 marksDifficulty: Medium
A person cannot see distant objects clearly. Name the defect, the lens used to correct it, and explain why that lens works.
Refraction through a Lens
3 marksDifficulty: Medium
Where must an object be placed in front of a converging lens for the image to be virtual, erect and magnified? Name one use of this arrangement.
Original Khojo Papers practice question — not from a past board paper.
Answer
The object must be placed between the optical centre and the focus. This is the arrangement used in a simple microscope or magnifying glass.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
For every other object position a converging lens forms a real image.
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