Two lenses of power 6 D and — 2 D are combined to form a single lens. The focal length of…
Physics · NEET · NTA Exams — Optics
Two lenses of power 6 D and \(\text { — }\)2 D are combined to form a single lens. The focal length of this lens will be:
- \(\frac{3}{2} m\)
- \(\frac{1}{4} m\)
- 4 m
- \(\frac{1}{8} \mathrm{~m}\)
Answer
(B) 1 4 m
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