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Challenge question: An arrow is placed at 3 centimeters to the left of a converging lens. The image appears at 3 centimeters to the right of the lens. What is the focal length of this lens? (HINT: Place a dot to the right of the lens where the image of the tip of the arrow will appear. You will only be able to draw lines 1 and 2. Where does line 1 cross the principal axis if the image appears at 3 centimeters?)

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onyebuchinnaji

The focal length of the converging lens based on the arrow placed  3 centimeters to the left and the imaged formed 3 cm to the right is 1.5 cm.

Focal length of the converging lens

The focal length of the converging lens is determined by applying the following converging lens formula.

1/f = 1/v + 1/u

where;

  • v is the image distance = 3 cm
  • u is the object distance = 3 cm
  • f is the focal length = ?

1/f = 1/3 + 1/3

1/f = 2/3

f = 3/2

f = 1.5 cm

Thus, the focal length of the converging lens is 1.5 cm.

Learn more about converging lens here: https://brainly.com/question/22394546

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