Question

A student want to project the image of a candle flame on a screen 80 CM in front of a mirror by keeping the candle flame at distance 20cm from its pole. (1)- which type of mirror should the student use (2)- find the magnification of the image produced (3)- draw a ray diag to show the image formation in this case and mark the distance between the object and its image

Answer 1

1) use concave mirror
2) magnification is -4

$- (v) \div u$
$+ 80 \div - 20 = - 4$
i hope it helps