PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnalyze the assertion and reason carefully and select the best answer:
1. Assertion (A): Generally, lightning is seen earlier, and thunder is heard later.
Reason (R): Speed of the light is more than the speed of sound.
Reason (R): Speed of the light is more than the speed of sound.
2. Assertion (A): The loudness of the sound is directly proportional to the square of its amplitude.
Reason (R): The higher the amplitude, the higher is the displacement of particles and so loudness of the sound will be higher.
Reason (R): The higher the amplitude, the higher is the displacement of particles and so loudness of the sound will be higher.
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