Once the wave is produced, the frequency remains constant. Hence speed V of the wave is directly proportional to the wavelength of the wave.
Answer: Option C
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Answer: Option C
When question states that radius or diameter is increased by 3 times, that note that cross-sectional area does not increase by 3 times. It increases by 9 times due to the square. Refer to this question to learn the concetps.
Answer: Option A
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