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Nature and characteristics of sound waves - class-IX

Question 1 of 51

Which of the following statements is correct?

  1. Sound travels as waves
  2. Sound travels in straight lines
  3. Sound is a form of energy
  4. All of these

Prize Money

15₹7 Crores
14₹1 Crore
13₹50,00,000
12₹25,00,000
11₹12,50,000
10₹6,40,000
9₹3,20,000
8₹1,60,000
7₹80,000
6₹40,000
5₹20,000
4₹10,000
3₹5,000
2₹2,000
1₹1,000