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Which of the following statements is/are true in relation to sound waves? Statement I : Speed of sound decreases when we go from solid to gaseous state Statement II : In any medium as we decrease the temperature, the speed of sound increases Statement III : Speed of sound is less in aluminium medium than in glass medium
Correct Answer: (c)
Official keyThis question appeared in the CGPSC Prelims 2020 examination (GS). It is Question 12 out of 100 questions in this paper.
This question was part of the CGPSC Prelims 2020 (GS). The CGPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all CGPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.