Which of the following statements is incorrect?
a. Light travels in a straight line.
b. Light needs material medium for its propagation
c. Light travels faster than sound.
d Sneed of light in vacuum is 300000 km/s.
Answers
Answered by
5
b) Light needs material medium for its propogation
Light donot need any medium for its propogation
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Answered by
1
Answer:
Option B
Light needs material medium for its propagation.
Here light does not needs a material medium for its propagation
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