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A small object is placed 20cm from the first of a train of three lenses with...

A small object is placed 20cm from the first of a train of three lenses with focal length, in order, of 10,15 and 20cm. the first two lenses are separated by 30 cm and the last two by 20 cm. Consider the case when the first and last lenses are negative. Answer the following

1-calculate the position of the object and its magnification after the first lens? and draw the detailed ray diagram?

2- calculate the position of the object and its magnification after the second lens? and draw the detailed ray diagram?

3- calculate the position of the object and its magnification after the third lens? and draw the detailed ray digram?

  

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