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Science · 2026 · 1 mark
CBSE 2026 · Region 1 · Set 1 · Q30
A convex lens of focal length 15 cm, is forming a real image. If the size of image is same as the size of object, then position of object and…
A convex lens of focal length $\displaystyle 15$ cm, is forming a real image. If the size of image is same as the size of object, then position of object and position of image will be, respectively :
Official answer
(C)
-$\displaystyle 30$ cm and +$\displaystyle 30$ cm from lens
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CBSE Class 10 Science past-paper question from the 2026 board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.