ICSE Class 9 Answered
(a) An object 5.6 cm in length is placed at a distance of
20 cm in front of a convex mirror of radius of curvature 36 cm. Find the
position of the image, its nature and size.
(b) Draw a ray diagrams to show a virtual image of 
the size of an object 4 cm high, using a spherical
mirror. Mark the position of the object, image and focal length
the size of an object 4 cm high, using a spherical
mirror. Mark the position of the object, image and focal length
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
ho = 5.6cm, u = -20 cm
R = 36 cm, f = 18 cm
(b) ho = 4cm,
hi = 1/4 x 4=1 cm
PF = Focal length, PA = object distance, PA = image distance
Answered by | 04 Jun, 2014, 03:23: PM
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