Physics · Ray Optics
Two equi-convex lenses of focal lengths 25 cm and 60 cm, made from a material with a refractive index of 1.6, are held together coaxially using a band. A liquid of refractive index 1.4 fills the space between them completely. Determine the image position for a luminous point object placed along the axis of this lens combination at a distance of 80 cm from it.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 124.0 cm
- 228.7 cm✓
- 332.3 cm
- 445.2 cm
Correct answer
28.7 cm
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