Part A You are standing 2.5 m from a 100-W lightbulb. You may want to review (Pages 893 - 894). If the pupil of your eye is a circle 5.0 mm in diameter, lightbulb's power is converted to light.) Express your answer using two significant figures. O ) ?
Part A You are standing 2.5 m from a 100-W lightbulb. You may want to review (Pages 893 - 894). If the pupil of your eye is a circle 5.0 mm in diameter, lightbulb's power is converted to light.) Express your answer using two significant figures. O ) ?
Physics for Scientists and Engineers, Technology Update (No access codes included)
9th Edition
ISBN:9781305116399
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter33: Alternating Current Circuits
Section: Chapter Questions
Problem 33.6CQ: As shown in Figure CQ33.6, a person pulls a vacuum cleaner at speed v across a horizontal floor,...
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![Review
You are standing 2.5 m from a 100-W lightbulb. You may
want to review (Pages 893 - 894).
Part A
If the pupil of your eye is a circle 5.0 mm in diameter, how much energy enters your eye per second? (Assume that 5.0% of the
lightbulb's power is converted to light.)
Express your answer using two significant figures.
ΑΣφ
?
E = 1.3 • 10
µJ
Submit
Previous Answers Request Answer
X. Incorrect; Try Again; 7 attempts remaining
Part B
Repeat part A for the case of a 1.0-mm-diameter laser beam with a power of 0.60 mW.
Express your answer using two significant figures.
ΑΣφ
1] ?
E =
HJ
Submit
Request Answer](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe3e68242-5a91-4b54-b664-0ff90b744d38%2F0fe895f7-f845-4cdc-b4d2-bec6e3be0b74%2Fgrr6q0k_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Review
You are standing 2.5 m from a 100-W lightbulb. You may
want to review (Pages 893 - 894).
Part A
If the pupil of your eye is a circle 5.0 mm in diameter, how much energy enters your eye per second? (Assume that 5.0% of the
lightbulb's power is converted to light.)
Express your answer using two significant figures.
ΑΣφ
?
E = 1.3 • 10
µJ
Submit
Previous Answers Request Answer
X. Incorrect; Try Again; 7 attempts remaining
Part B
Repeat part A for the case of a 1.0-mm-diameter laser beam with a power of 0.60 mW.
Express your answer using two significant figures.
ΑΣφ
1] ?
E =
HJ
Submit
Request Answer
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