An object is placed 16 cm from a convex spherical mirror of radius -9 cm. What t

Question

An object is placed 16 cm from a convex spherical mirror of radius -9 cm. What type of image forms, and at what distance from the mirror?

a) virtual image, 8.9 cm

b) virtual image, 5.8 cm

c) real image, 3.5 cm

d) virtual image, 3.5 cm

An object is placed at a distance of 18 cm to the left of a thin converging lens of focal length 10 cm. Where does this image form from the lens?

a) 22.5 cm to the right

b) 6.4 cm to the right

c) 22.5 cm to the left

d) 8.0 cm to the right

An object is placed 15 cm to the left of a thin convex lens of focal length 20 cm. The image of this object is located where from the lens?

a) 30 cm to the left

b) 8.57 to the right

c)8.57 cm to the left

d) 60 cm to the right

e) 60cm to the left

Explanation / Answer

1) d) virtual image, 3.5 cm

2) a) 22.5 cm to the right

3) e) 60cm to the left

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