Answered: You and your roommate decide to install…

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)...

See similar textbooks

Related questions

Question

You and your roommate decide to install a 1200 lumen incandescent bulb in a simple light socket hanging directly in the center of the dorm room, with no diffuser or reflector. The bulb filament is exactly 2 feet from the ceiling. The walls and ceiling are all painted in a very dark color. Compute the illuminance falling on the exact center of the top of your dorm desk.

Top View
Front View
Your friend's
Desk
9 ft
Your friend's
Desk
Bed
16 ft
Bulb
Luminaire
16 ft
2 ft
PRYDNING
N
5 ft
Your Desk
Your Desk
2.2 ft
3 ft

Expert Solution

Step 1

$Given that : luminous intensity, I = 1200 lumen 1 cd = 12.57 lumens I = \frac{1200}{12.57} = 95.46 cd$

From top view it is clear that the bulb and the center of the desk is in same vertical plane.

Step by step

Solved in 2 steps with 1 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions