6. Which of the following statements is/are true?*
A concave lens has 4 dioptre power hav...
Physics, 28.05.2020 13:58 lexieprochaskaaa
6. Which of the following statements is/are true?*
A concave lens has 4 dioptre power having a focal length 0.25 m
A convex lens has 4 dioptre power having a focal length 0.25 m
A concave lens has - 4 dioptre having a focal 0.25 m
A convex lens has -4 dioptre power having a focal length 0.25 m
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