Question

A diverging lens of focal length *f* = -9.7 cm forms
images of an object situated at various distances.

**(a)** If the object is placed
*p*_{1} = 29.1 cm from the lens, locate the image,
state whether it's real or virtual, and find its magnification.

q = |
cm |

M = |

**(b)** Repeat the problem when the object is at
*p*_{2} = 9.7 cm.

q = |
cm |

M = |

**(c)** Repeat the problem again when the object is
4.85 cm from the lens.

q = |
cm |

M = |

Use the above values to help you work this exercise. Repeat the calculation, finding the position of the image and the magnification if the object is 19.3 cm from the lens.

q = |
cm |

M = |

Answer #1

A diverging lens has a focal length of -14.0 cm. Locate the
images for each of the following object distances. For each case,
state whether the image is real or virtual and upright or inverted,
and find the magnification.
(a) 28.0 cm
______ cm --Location of image-- in front of the lens
behind the lens no image formed
real, erectreal, inverted virtual,
erectvirtual, inverted
magnification
__________✕
(b) 14.0 cm
________ cm --Location of image-- in front of the lens
behind the lens no...

A diverging lens has a focal length of -14.0 cm. Locate the
images for each of the following object distances. For each case,
state whether the image is real or virtual and upright or inverted,
and find the magnification.
(a) 28.0 cm
______________ cm
real, erect
real, inverted
virtual, erect
virtual, inverted
magnification ________________ X
(b) 14.0 cm
______________ cm
virtual, erect
virtual, inverted
magnification ___________________ ?
(c) 7.0 cm
_______________ cm
real, erect
real, inverted
virtual, erect
virtual, inverted...

A diverging lens has a focal length of magnitude 21.8 cm.
(a) Locate the images for each of the following object
distances.
43.6 cm
distance
cm
location
---Select--- in front of the lens behind the lens
21.8 cm
distance
cm
location
---Select--- in front of the lens behind the lens
10.9 cm
distance
cm
location
---Select--- in front of the lens behind the lens
(b) Is the image for the object at distance 43.6 real or
virtual?
realvirtual
Is the...

A diverging lens has a focal length of magnitude 17.6 cm.
(a) Locate the images for each of the following object
distances.
35.2 cm
distance
cm
location
---Select--- in front of the lens behind the lens
17.6 cm
distance
cm
location
---Select--- in front of the lens behind the lens
8.8 cm
distance
cm
location
---Select--- in front of the lens behind the lens
(b) Is the image for the object at distance 35.2 real or
virtual?
realvirtual
Is the...

A diverging lens has a focal length of magnitude 24.4 cm.
(a) Locate the images for each of the following object
distances.
48.8 cm
distance
cm
location
---Select--- in front of the lens behind the lens
24.4 cm
distance
cm
location
---Select--- in front of the lens behind the lens
12.2 cm
distance
cm
location
---Select--- in front of the lens behind the lens
(b) Is the image for the object at distance 48.8 real or
virtual?
realvirtual
Is the...

A diverging lens has a focal length of magnitude 23.6 cm.
(a) Locate the images for each of the following object
distances.
47.2 cm
distance
cm
location
---Select--- in front of behind
23.6 cm
distance
cm
location
---Select--- in front of behind
11.8 cm
distance
cm
location
---Select--- in front of behind
(b) Is the image for the object at distance 47.2 real or
virtual?
realvirtual
Is the image for the object at distance 23.6 real or virtual?
realvirtual
Is...

A diverging lens has a focal length of magnitude 24.8 cm.
(a) Locate the images for each of the following object
distances.
49.6 cm
distance______
cm
distance24.8 cm _________
distance at 12.4cm_____
(d) Find the magnification for the object at distance 49.6
cm.
Find the magnification for the object at distance 24.8 cm.
Find the magnification for the object at distance 12.4 cm.

A converging lens has a focal length of 93.0 cm. Locate the
images for the following object distances, if they exist. Find the
magnification. (Enter 0 in the q and M fields if
no image exists.)
(a) 93.0 cm
q
= cm
M
=
Select all that apply to part (a).
real
virtual
upright
inverted
no image
(b) 11.6 cm
q
= cm
M
=
Select all that apply to part (b).
real
virtual
upright
inverted
no image
(c) 837 cm
q
= cm
M
=...

A converging lens has a focal length of 87.0 cm. Locate the
images for the following object distances, if they exist. Find the
magnification. (Enter 0 in the q and M fields if
no image exists.)
(a) 87.0 cm
q
= ______ cm
M
= _________
Select all that apply to part (a).
a) real
b)virtual
c)upright
d)inverted
e)no image
(b) 24.9 cm
q
=______ cm
M
= _____
Select all that apply to part (b).
a) real
b)virtual
c)upright
d)inverted
e)no...

A diverging lens has radius of focal length f = –10.0
cm. An object is placed a certain distance dO from the mirror along
its principal axis.
For each value of dO in the table, fill in (i) the
distance dI from the lens to the image; (ii) the lateral
magnification m of the image; (iii) whether the image is real or
virtual; (iv) whether the image is on the same side of the lens as
the object or the...

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