Which of the following materials belongs to diathermanous substance?
Q.1 (iii) Which of the following materials belongs to diathermanous substance?
A. wood
B. iron
C. glass
D. copper
1 answer
Best answer
Answer: C. glass
Answer: (c) glass
A diathermanous substance is one that transmits (allows to pass) heat radiation through it. Glass, quartz, rock salt and dry air are diathermanous. Wood, iron and copper are athermanous: they do not transmit infrared (heat) radiation.
Doubtly AI
· 28 Oct 2026
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