A) Concave B) Convex C) Converging lens D) None of the above
A) Converging B) Diverging C) Sub diverging D) None of the above
A) Centre of curvature B) Centre of converging C) Centre of diverging D) None of the above
A) Optical B) None optical C) Upper D) None of the these
A) Focal length B) Optical length C) Converging length D) None of these
A) Retina B) Cornea C) Pupil D) None of the above
A) Iris B) Retina C) Cornea D) None of the above
A) Optic nerve
B) Retina
C) Cornea
D) None of the above
A. Long sightedness
B. Short Sightedness
C. Both a & b
D. None
A) Thin Â
B) Thick Â
C) Weak Â
D) StrongÂ
A) Increases
B) Reduced
C) Option B is correct
A) Convex B) Concave C) Optical D) None of the above
A. Long Sightedness
C. Both a & b
A) Concave B) Convex C) Focal D) None of the above
A) Dark B) Bright C) Dim D) Day
A) Red B) Yellow C) White D) None of these
A) True B) False
A) Does not bend B) Passes through centre of curvature C) Passes through principal focus D) Passes through the centre of lens.
A) Virtual B) Red C) Inverted D) Larger