PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Why does sound travel faster on a rainy day than on a dry day?
a. The speed of sound increases as .
b. During rainy season sound wave can travel .
2. Why does an empty vessel produce more sound than a filled one?
a. Multiple sound reflections take place in an empty vessel.
b. makes much noise.
3. Air temperature in the Rajasthan desert can reach \(46°C\). What is the velocity of sound in air at that temperature?
a. The formula used in the above case is
b. The velocity of the sound is .
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