At what distance from concave lens of focal length 20 CM , 6CM tall object be placed so as to obtain its image at 15 cm from the lens also calculate the size of the image formed . Draw a ray diagram justify the answer for the above situation and label it.
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what distance from 10 KV line of organ and focal length 20 cm and 6 CM tall object be placed so as to obtain its image that 15 CM draw a ray diagram this situation and label it this question not salford UK for
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