A camera lens focuses on an object 75.0 cm from the lens. The image forms 3.50 cm behind the lens. What is the magnification of the image?

- 0.0466666667

Explanation:

We are told in the question above that:

A camera lens focuses on an object 75.0 cm from the lens. The image forms 3.50 cm behind the lens.

The formula for Magnification of an image = - image distance / object distance

Image distance = 3.50 cm

Object distance = 75 cm

Magnification = - 3.5/75

= -0.0466666667

= Approximately = -0.0467

Therefore, the magnification of the image is -0.0467

total distance travelled = 60 miles

total time taken =1.5 hours

average speed = total distance / total time

60 / 1.5

= 40

therefore, average speed = 40 m/h

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