Physics · Light - Reflection and Refraction
A lens having power +8 D is kept in contact with another lens having power -4 D. The lens combination will act as a:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Convex lens having focal length 50 cm
- 2Convex lens having focal length 25 cm✓
- 3Concave lens having focal length 50 cm
- 4Concave lens having focal length 25 cm
Correct answer
Convex lens having focal length 25 cm
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