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a concave mirror of radius 15cm,what is the location and nature of the image when the object is 20cm from the pole?
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Question
Asked 11/3/2008 8:45:42 AM
Updated 2/18/2024 12:42:56 AM
1 Answer/Comment
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a concave mirror of radius 15cm,what is the location and nature of the image when the object is 20cm from the pole?
Original conversation
User:
a concave mirror of radius 15cm,what is the location and nature of the image when the object is 20cm from the pole?
Weegy:
what is the radius?
User:
20cm
Weegy:
what is your question?
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Question
Asked 11/3/2008 8:45:42 AM
Updated 2/18/2024 12:42:56 AM
1 Answer/Comment
This conversation has been flagged as incorrect.
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3
Sshhae05
A concave mirror of radius 15cm, 13.3 cm is the location and nature of the image when the object is 20cm from the pole.
Solution
1/7.5 = 1/20 + 1/di
di = 13.3 cm
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Added 2/18/2024 12:42:49 AM
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Questions asked by the same visitor
a concave mirrror of radius 15cm,what is the location and nature of the image when the object is 20cc from the pole?
Weegy:
Please hold on while I look this up for you
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Question
Expert Answered
Updated 38 days ago|10/28/2025 11:31:48 AM
1 Answer/Comment
3
cruz30
f = R/2 = 15/2 = 7.5 cm
Mirror formula: 1/f = 1/v + 1/u
1/7.5 = 1/v + 1/(-20)
1/v = 1/7.5 + 1/20 = 27.5/150
v = 150/27.5 = 5.45 cm
Magnification: m = -v/u = -5.45/-20 = 0.273
Image is real, inverted, and smaller than object.
Added 38 days ago|10/28/2025 11:31:48 AM
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