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प्रश्न
Numerical problems:
Two persons are at opposite ends of a steel rod. One strikes the end of the rod with a stone. Find the ratio of time taken by the sound wave in the air and in steel to reach the second person. (Sound of speed in steel = 5960 ms-1, Sound of speed in air = 344 ms-1).
थोडक्यात उत्तर
उत्तर
Sound of speed in steel = 5960ms-1
Sound of speed in air =344ms-1
Time taken for sound wave in air. `"T"_1` = `1 /"velocity in air" = 1/ 344`
Time taken for sound wave in steel. `"T"_2` = `1 /"velocity in steel" = 1/ 5960`.
Time ratio = `"T_1/"T"_2= {1/344}/{1/5960} = 5960/344`
= 17.33:1
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