The process of changing the shape of the lens, and hence adjusting its focal length, is referred as accommodation.
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Q13: A magnifying glass produces a virtual image.
Q14: A person with a longer near point
Q15: The difference between a camera and the
Q16: The length of time the shutter is
Q17: In a compound microscope the final image
Q19: The focal length of the objective of
Q20: The focal length of the objective in
Q21: Which one of the following is true
Q23: Nearsightedness can usually be corrected with
A) converging
Q28: Spherical lenses suffer from
A)both spherical and chromatic
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