Match List-I (Electromagnetic wave type) with | vedclass

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Question

(C) $(1)$ Infrared rays are used to treat muscular strain because these are heat rays.$(2)$ Radio waves are used for broadcasting because these waves

Vedclass · Accepted Answer

$a-i, b-ii, c-iii, d-iv$

Vedclass · Answer

(C) $(1)$ Infrared rays are used to treat muscular strain because these are heat rays.$(2)$ Radio waves are used for broadcasting because these waves have very long wavelengths ranging from a few centimeters to a few hundred kilometers.$(3)$ $X$-rays are used to detect fractures of bones because they have high penetrating power but cannot penetrate through denser media like bones.$(4)$ Ultraviolet rays are absorbed by the ozone layer of the atmosphere.Therefore, the correct matching is $a-i, b-ii, c-iii, d-iv$.

List-$I$	List-$II$
$a$. Infrared waves	$i$. To treat muscular strain
$b$. Radio waves	$ii$. For broadcasting
$c$. $X$-rays	$iii$. To detect fracture of bones
$d$. Ultraviolet rays	$iv$. Absorbed by the ozone layer of the atmosphere

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