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Ray Optics and Optical Instruments — Physics STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 SciencePhysicsRay Optics and Optical Instruments1 Mark
Question
What is the magnification in this case?
✓

Answer

We have,
Least distance of distinct vision, v = 25 cm
Object distance, $|\text{u}|=7.14 \ \text{cm}$
Therefore,
Magnitude of magnification, $\text{m}=\frac{\text{v}}{\text{u}}$
$=\frac{25}{7.14}$
= 3.5

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