a convex lens has a focal length of 25cm calculate the distance of the object from the lens if image is to be formed on the opposite side of the lens at a distance of 75 cm from the lens what will be the nature of the image
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Answered by
68
f = 25 cm
v = 75 cm
u = ?
1/v - 1/u = 1/f
1/u = 1/v-1/f
1/75 - 1/25 = -2/75
therefore u = -37.5
the image is real,inverted and magnified.
v = 75 cm
u = ?
1/v - 1/u = 1/f
1/u = 1/v-1/f
1/75 - 1/25 = -2/75
therefore u = -37.5
the image is real,inverted and magnified.
Answered by
24
HEY!!
The image will be real, zoomed and inverted because u = -37.5
The image will be real, zoomed and inverted because u = -37.5
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