Answer
Please see the work below.
Work Step by Step
We know that the insulation effect of fiber glass is due to the low thermal conductivity of air trapped between the glass fibers. Thus, option "c" is the right option.
Essential University Physics: Volume 1 (3rd Edition)
by Wolfson, Richard
Published by
Pearson
ISBN 10:
0321993721
ISBN 13:
978-0-32199-372-4
Chapter 16 - Exercises and Problems - Page 302: 83
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