Aditya and his friend Manoj placed a candle flame in front of a convex lens atvarious distances from it and obtained the image of the candle flame on a white screen. He noted down the position of the candle, screen and the lens as under Position of candle = 20 cm Position of convex lens=50 Position of screen = 80

(i) What is the position of the image formed
from the convex lens?
(a) 80 cm (b) 50 cm
(c) 30 cm (d) 60 cm

ii)What is the focal length of the
convex lens?
(a) 80 cm (b) 50 cm (c) 30 cm (d) 60 cm
Answer. (c) 30 cm
(iii) Which of the following
statement describes the best about
the nature ofthe image formed if
Aditya shifts the candle towards
the lens to 36 cm?
(a) The nature of the image formed will be
virtual, inverted and magnified.
(b) The nature of the image formed will be
virtual, erect and magnified.
(c) The nature of the image formed will be
virtual, erect and diminished.
(d) The nature of the image formed will be
real, inverted and diminished.