The sun is 150,000,000 km from earth; its diameter is 1,400,000 km. For a science project on solar power, a student uses a 24-cm-diameter converging mirror with a focal length of 53 cm to focus sunlight onto an object. This casts an image of the sun on the object. For the most intense heat, the image of the sun should be in focus. a. Where should the object be placed? b. What is the diameter of the image? c. The intensity of the incoming sunlight is 1050 W/m². What is the total power of the light captured by the mirror? d. What is the intensity of sunlight in the projected image? Assume that all of the light captured by the mirror is focused into the image.

The sun is 150,000,000 km from earth; its diameter is 1,400,000 km. For a science project on solar power, a student uses a 24-cm-diameter converging mirror with a focal length of 53 cm to focus sunlight onto an object. This casts an image of the sun on the object. For the most intense heat, the image of the sun should be in focus. a. Where should the object be placed? b. What is the diameter of the image? c. The intensity of the incoming sunlight is 1050 W/m². What is the total power of the light captured by the mirror? d. What is the intensity of sunlight in the projected image? Assume that all of the light captured by the mirror is focused into the image.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

pility: Good to go
The sun is 150,000,000 km from earth; its diameter is 1,400,000 km.
For a science project on solar power, a student uses a 24-cm-diameter converging
mirror with a focal length of 53 cm to focus sunlight onto an object. This casts an
image of the sun on the object. For the most intense
heat, the image of the sun should be in focus.
a. Where should the object be placed?
b. What is the diameter of the image?
2
c. The intensity of the incoming sunlight is 1050 W/m². What is the total power of
the light captured by the mirror?
d. What is the intensity of sunlight in the projected image? Assume that all of the
light captured by the mirror is focused into the image.
Focus 88 E
84°F ^

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