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MODEL PAPER - 9 [2026] — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceMODEL PAPER - 9 [2026]1 Mark
MCQ
An old person is unable to see clearly nearby objects as well as distant object. To correct the vision, what kind of lens will he require?
  • A
    Concave lens
  • B
    Convex lens
  • C
    Bifocal lens whose upper portion is convex lens and lower portion is concave lens
  • D
    Bifocal lens whose upper portion is concave lens and lower portion is convex lens
✓

Answer

(D) Bifocal lens whose upper portion is concave lens and lower portion is convex lens
Explanation:
The upper portion (concave lens) facilitates distant vision and the lower portion (convex lens) facilitates near vision.

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