SOLUTION AT Australian Expert Writers
(a)A convex lens has a focal length of 25.0 cm. An object is placed at a distance of 35.0 cm from thislens.
(i)Calculate the image distance for this arrangement.
(ii)What is the magnification of the image?
 (b)The image is required to be magnified by 5times.
(i)At what distance would the object have to be placed from the lens to achieve this?
(ii)What is the new image distance?
(iii)Hence or otherwise, what is the total distance from the object totheimage?[6
)At what distance would the object have to be placed from the lens to achieve this? - Essay Quoll.
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