Ahmad are given a lens X of focal length 5 cm to produce an image exactly twice the size of the object. Determine by a ray diagram and lens formula the image distance. Justify your answer. Now Ahmad are given a lens Y of focal length 5 m. a) Which one of the lens would Ahmad use as magnifying glass? Explain your answer. b) If the two are used in the construction of a telescope. With help of diagram, describe the characteristics of final image.
Ahmad are given a lens X of focal length 5 cm to produce an image exactly twice the size of the object. Determine by a ray diagram and lens formula the image distance. Justify your answer. Now Ahmad are given a lens Y of focal length 5 m. a) Which one of the lens would Ahmad use as magnifying glass? Explain your answer. b) If the two are used in the construction of a telescope. With help of diagram, describe the characteristics of final image.
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Transcribed Image Text:Ahmad are given a lens X of focal length 5 cm to produce an image exactly twice the size of the
object. Determine by a ray diagram and lens formula the image distance. Justify your answer.
Now Ahmad are given a lens Y of focal length 5 m.
a) Which one of the lens would Ahmad use as magnifying glass? Explain your answer.
b) If the two are used in the construction of a telescope. With help of diagram, describe the
characteristics of final image.
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