A birthday candle 4 cm high is 10 cm from a convergin lens whise focal length is 15 cm. Use a ray diagram on a suitable scale (say 1/3 full size) to find the a)location of the image; b)its height; c) whether it is erect or inverted; d) whether it is real or virtual.
i dont need the answer, i just need help in knowing how to get the answers.
Ray diagram?
I didn't get your question. Do you want to know how to make the ray diagram?
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