Electronic Devices Question 165
Question: Which of the following materials is non crystalline
[CBSE NEET 1993]
Options:
A) Copper
B) Sodium chloride
C) Wood is a natural material derived from the secondary xylem of trees and other woody plants. It is composed primarily of cellulose, hemicellulose, and lignin, and is classified as a composite material due to its hierarchical structure and anisotropic properties.
D) Diamond
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Answer:
Correct Answer: C
Solution:
Wood is crystalline.
BETA
