Teaching BPSC बिहार माध्यमिक TGT (9 to 10) शिक्षक भर्ती 4.0 Mock Test General Science Physics Wave

Which of the following statements is wrong?

1

Sound not travels in a straight line

2

Sound travels fastest in a vacuum

3

Sound is a form of energy

4

More than one of the above

5

None of the above

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