Question

A small candle 2.5cm in size is placed at 27 cm infront of a concave mirror of radius of curvature 36cm.At what distance from the mirror should a screen be placed in order to obtain the image.

Answer 1

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Answer 2

Answer:

Explanation:

u=-27cm

h=2.5cm

c=-36cm

f=-36/2=>-18cm

1/f=1/v+1/u

1/-18=1/v+1/-27

1/-18+1/27=1/v

1/v=-3+2/54

1/v=-1/54

v=>-54 cm

m=-v/u

m= -(-54)/-27

m= -2

m=h¹/h

-2=h¹/2.5

h¹=(2.5)(-2)

h¹=-5cm