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MESSAGE HY INSTRUCTOR FULL SCREEN PRINTER VERSION 4BACK NEXT Chapter 34, Problem 078 GO More lenses. Object O stands on the c
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Answer #1

Hi,

Hope you are doing well.


__________________________________________________________________________

PART (a):

Given that the image is non-inverted (erect) and the magnification is positive and less than 1.

Therefore, the lens is Diverging lens (concave lens).

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PART (b):

Given that, magnification m = 0.4

Object distance, P = +13 cm.

Therefore, Image distance is given by:

m =

:1= -mP = -0.4 x 13 cm

:1= -5.2 cm

Focal length is given by:

1 7=ī 1 1 p= -5.2 cm 13 cm

if = -8.67 cm


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PART (c):

From PART (b): , Image distance is given by:

:1= -5.2 cm

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PART (d):

Since the image is formed by a diverging lens, the image is virtual.

__________________________________________________________________________

PART (e):

Image will be formed on the same side of the lens.


__________________________________________________________________________

Hope this helped for your studies. Keep learning. Have a good day.

Feel free to clear any doubts at the comment section.


Please don't forget to give a thumps up.

Thank you. :)

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