An object is held 2.4 cm away from a lens. Thelens has a focal length of 43.6 cm

Question

An object is held 2.4 cm away from a lens. Thelens has a focal length of 43.6 cm.

a.) Determine the image distance.
cm

b.) Determine the magnification.


c.) If the object is 5.3 cm long, determine the image height.
cm

d.) Which of the following are true about the image? Choose allthat apply.

The image is inverted.
Theimage is virtual.
Theimage is upright.
Theimage is real.

e.) Which of the following are true about the lens? Choose allthat apply.

The lens is concave.
Thelens is converging.
Thelens is diverging.
Thelens is convex.

Explanation / Answer

a)1/v=1/43.6 -1/2.4 calculating we will get the image distance ie v b)magnification=image distance/object distance c)image height=object height*magnification d) the image is virtual the image is upright. e)the lens is converging the lens is convex

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