Question

true
e
C. Write 'true' or 'false' for the following
statements :
1. Sound travels fastest in metals. Tu
2. A material medium is not necessary for the
propagation of sound.
3. Red Indians can find out whether an enemy
is approaching their camp by putting their
ear to the ground.
10​

Answer 1

1. True
2. False
3. True

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Answer 2

$\boxed {ANSWER}</p><p>$

$\green{1. \: true}$

$\red{2. \: false}$

$\green{3. \: true}$

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