AP EAMCET · PHYSICS · Ray Optics
The image formed by a convex mirror of focal length \(30 \mathrm{~cm}\) is a quarter of the size of the object. The distance of the object from the mirror is
- A \(30 \mathrm{~cm}\)
- B \(90 \mathrm{~cm}\)
- C \(120 \mathrm{~cm}\)
- D \(60 \mathrm{~cm}\)
Answer & Solution
Correct Answer
(B) \(90 \mathrm{~cm}\)
Step-by-step Solution
Detailed explanation
Focal length, \(f=30 \mathrm{~cm}\)…
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