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Which of the following statements are correct? (i) Sound is produced by vibrations.(ii) Sound requires a medium for propagation.(iii) Light and sound both require a medium for propagation.(iv) Sound travels slower than light.(a) i & ii only (b) i, ii & iii only (c) ii, iii & iv only (d) i, ii & iv only |
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Answer» Option d is the answer. EXPLANATION:BASICALLY all the options (except c) are correct. SOUND requires a MEDIUM but Light doesn't require a medium. |
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