This is a 2 part question, the first one is solved. A converging lens of focal l

Question

This is a 2 part question, the first one is solved.
A converging lens of focal length 19.2 cm is separated by 48.3 cm from a converging lens of the focal length 4.74 cm. Find the position of the final image with respect to the second lens of an object placed 39.4 cm in front the first lens. Answer in units of cm.
Answer is 8.45cm
Now for the actual question:
Ifthe height of the object is 1.5 cm, what is the height of the final image? Answer inunits ofcm.

This is a 2 part question, the first one is solved.
A converging lens of focal length 19.2 cm is separated by 48.3 cm from a converging lens of the focal length 4.74 cm. Find the position of the final image with respect to the second lens of an object placed 39.4 cm in front the first lens. Answer in units of cm.
Answer is 8.45cm
Now for the actual question:
Ifthe height of the object is 1.5 cm, what is the height of the final image? Answer inunits ofcm. Ifthe height of the object is 1.5 cm, what is the height of the final image? Answer inunits ofcm.

Explanation / Answer

The magnification of the system is              m = -q/p = s'/s                   - 8.25cm/39.2cm = s'/1.5cm The height of the final image is                      s' = (- 8.25cm/39.2cm )(1.5 cm)                        = -----cm

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