The image formed by a concave mirror is observed to be virtual, erect and larger than the object. Where should the position of the object' be relative to the mirror? Draw ray diagram to justify your answer.

List two items which can be easily recycled, but we generally throw them in the dust- bins.

"The chromosomal number of the sexually producing parents and their offspring is the same." Justify this statement.

List two reasons to show that the existence of decomposers is essential in an ecosystem.

A student wants to project the image of a candle flame on a screen 48 cm in front of a mirror by keeping the flame at a distance of 12 cm from its pole.

(a) Suggest the type of mirror he should use.

(b) Find the linear magnification of the image produced.

(c) How far is the image from its object?

(d) Draw ray diagram to show the image formation in this case.