Question

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 image for the object at distance 21.8 real or virtual?

realvirtual

Is the image for the object at distance 10.9 real or virtual?

realvirtual

(c) Is the image for the object at distance 43.6 upright or
inverted?

uprightinverted

Is the image for the object at distance 21.8 upright or
inverted?

uprightinverted

Is the image for the object at distance 10.9 upright or
inverted?

uprightinverted

(d) Find the magnification for the object at distance 43.6
cm.

Find the magnification for the object at distance 21.8 cm.

Find the magnification for the object at distance 10.9 cm.

Answer #1

(b) 1. Virtual

2. Virtual

3. Real

(c) m = v/u

1. Erect/ Upright

2. Upright

3. Inverted

(d) m = v/u

1. m = -43.6/-43.6 = 1. Magnification = 1.

2. infinity.

3. m = 21.8 / -10.9 = -2. Magnification = -2.

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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
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(a) Locate the images for each of the following object
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distance
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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
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(a) Locate the images for each of the following object
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distance
cm
location
---Select--- in front of behind
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distance
cm
location
---Select--- in front of behind
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distance
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location
---Select--- in front of behind
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______ cm --Location of image-- in front of the lens
behind the lens no image formed
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erectvirtual, inverted
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__________✕
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and find the magnification.
(a) 28.0 cm
______________ cm
real, erect
real, inverted
virtual, erect
virtual, inverted
magnification ________________ X
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______________ cm
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virtual, inverted
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_______________ cm
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(a) 93.0 cm
q
= cm
M
=
Select all that apply to part (a).
real
virtual
upright
inverted
no image
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q
= cm
M
=
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real
virtual
upright
inverted
no image
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q
= cm
M
=...

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distances.
49.6 cm
distance______
cm
distance24.8 cm _________
distance at 12.4cm_____
(d) Find the magnification for the object at distance 49.6
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