Question
Sound and light waves, both ______.
Answer: Option C
:
C and D
Both sound and light are forms of energy. Since sound waves are mechanical waves, they require a medium to propagate. Light waves do not require a medium to travel. Laws of reflection are applicable for both light and sound waves.
Speed of light and sound in air are 3×108 ms−1 and 340 ms−1 respectively.
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:
C and D
Both sound and light are forms of energy. Since sound waves are mechanical waves, they require a medium to propagate. Light waves do not require a medium to travel. Laws of reflection are applicable for both light and sound waves.
Speed of light and sound in air are 3×108 ms−1 and 340 ms−1 respectively.
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