An object's distance from a converging lens is 3.78 times the focal length. a) determine the location of the image. express the answer as a fraction of the focal length.
(b) find the magnification of the image?
(c) indicate whether it is upright or inverted?
(d) indicate whether it is real or virtual?

a) v=1.36f

b)m=.36

c) real

d) Inverted

Explanation:

a)

In this question we have given,

object distance from converging lens,u=-3.78f

focal length of converging lens,=f

we have to find location of image,v=?

and magnification,m=?

we know that u, v and f are related by following formula

.............(1)

put values of f u in equation (1)

we got,

or

v=1.36f

b) Magnification,

c)

Here the object is located further away from the lens than the focal point therefore image is real image and inverted.

d) image is inverted

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