Question

A lighted candle is placed 38 cm in front of a diverging lens. The light passes through the diverging lens and on to a converging lens of focal length 10 cm that is 5 cm from the diverging lens. The final image is real, inverted, and 19 cm beyond the converging lens. Find the focal length of the diverging lens.
if a candle is standing in front of a diverging lens , we can see its image on a screen clearly

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