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Consider the following statements: 1. The loudness of a sound is determined basically by its frequency. 2. The frequency of the sound wave does not change when it travels from one medium to another. 3. Audible range of the average human ear extends from about 20 Hz to 20 kHz. How many of the statements given above are correct?
This question appeared in the HPSC Prelims 2025 examination (GS-II). It is Question 88 out of 200 questions in this paper.
This question was part of the HPSC Prelims 2025 (GS-II). The HPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all HPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.