Considering the correlation between the words of the first pair, pair

1.	Considering the correlation between the words of the first pair, pair the third word accordingly with proper answer:i. Nearsightedness: Elongated eyeball :: Farsightedness:………ii. Convex lens : Converging :: Concave lens :………..iii. Object at 2F1 of a convex lens : Image at 2F2 :: Object at F1 :………..iv. Magnification positive : Erect image :: Magnification negative :………..v. Convex lens : Positive power of the lens :: Concavevi \(\frac{1}{f(in\,metre)}\) : Power of the lens (in dioptre) :: \(\frac{image\,distance}{Object\,distance}\)vii. Focal length : Metre :: Power of a lens :………..viii. Iris : Pupil :: Ciliary muscles :……….ix. Nearsightedness : Concave lens :: Farsightedness :………..x. Nearsightedness : Image in front of the retina :: Farsightedness :………..xi. Observation of stars and planets : Telescope :: Repairing a watch :……….xii. Cinema : Persistence of vision :: Rainbow :………
Answer» i. Flattened eyeball ii. Diverging iii. Image on the opposite side at infinity iv. Inverted image v. Negative power of the lens. vi. Magnification. vii. Dioptre. viii. Eye lens ix. Convex lens x. Image behind the retina xi. Simple microscope xii. Refraction, dispersion and internal reflection of light.

Considering the correlation between the words of the first pair, pair the third word accordingly with proper answer:i. Nearsightedness: Elongated eyeball :: Farsightedness:………ii. Convex lens : Converging :: Concave lens :………..iii. Object at 2F1 of a convex lens : Image at 2F2 :: Object at F1 :………..iv. Magnification positive : Erect image :: Magnification negative :………..v. Convex lens : Positive power of the lens :: Concavevi \(\frac{1}{f(in\,metre)}\) : Power of the lens (in dioptre) :: \(\frac{image\,distance}{Object\,distance}\)vii. Focal length : Metre :: Power of a lens :………..viii. Iris : Pupil :: Ciliary muscles :……….ix. Nearsightedness : Concave lens :: Farsightedness :………..x. Nearsightedness : Image in front of the retina :: Farsightedness :………..xi. Observation of stars and planets : Telescope :: Repairing a watch :……….xii. Cinema : Persistence of vision :: Rainbow :………

Answer»

i. Flattened eyeball

ii. Diverging

iii. Image on the opposite side at infinity

iv. Inverted image

v. Negative power of the lens.

vi. Magnification.

vii. Dioptre.

viii. Eye lens

ix. Convex lens

x. Image behind the retina

xi. Simple microscope

xii. Refraction, dispersion and internal reflection of light.