Question

A converging lens has a focal point of 3.93 cm. If you place an apple 19.24 cm away from the lens, where would the image be formed? Submit your answer in meter.

Answer 1

Given

The focal length , f=3.93 cm

The object distance, u=-19.24cm

To find

The image distance

Step-by-step explanation

By lens formula we have,

`\begin{gathered} (1)/(v)-(1)/(u)=(1)/(f) \\ \Rightarrow(1)/(v)-(1)/((-19.24))=(1)/(3.93) \\ \Rightarrow(1)/(v)=0.202 \\ \Rightarrow v=4.95cm=0.0495\text{ m} \end{gathered}`

Conclusion

The image distance is 0.0495 m