Question

A Christmas tree ornament with an 8.64-cm diameter serves as a convex mirror surface.

Determine the image distance of a 4-foot tall child standing a distance of 2.65 meters away​

Answer 1

Answer:

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Answer 2

Explanation:

Given A Christmas tree ornament with an 8.64-cm diameter serves as a convex mirror surface. Determine the image distance of a 4-foot tall child standing a distance of 2.65 meters away

• So we need to find the image distance of the child.
• Diameter = 8.64 cm
• f = - hi / ho  
•   = - 8.64 / 4
• f = - 2.16 cm
•           Now 1/f = 1/do + 1/di (do and di are object and image distance)
•                -1/2.16 = 1/265 + 1/di
•                    -100/216 – 1/265 = 1/di
•                          1/di = - 0.4657
•                              di = - 2.147 cm
•             So image distance will be 2.147 cm
• So ho = 4 ft = 121.92 cm (1 ft = 30.48 cm)
•        Now hi = - ho x di / do
•                     = - 121.92 x – 2.147 / 265
•                      = 261.76224 / 265
•                     = 0.984 cm

Reference link will be

https://brainly.in/question/10436049