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A person measures the depth of well by measuring the time interval between dropping a Stone and receiving the sound of impact with the well . the error in his measurement is 0.01 secs. and he measure the Depth of well to bel=20m (1)g(no error) at m/s square (2)velocity of sound=300m/s Find: DL/L in % |
| Answer» A person measures the depth of well by measuring the time interval between dropping a Stone and receiving the sound of impact with the well . the error in his measurement is 0.01 secs. and he measure the Depth of well to bel=20m (1)g(no error) at m/s square (2)velocity of sound=300m/s Find: DL/L in % | |