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8. A bob of a simple pendulum executing SHM in air has time period To and in water has time period T.If density of bob is 4/3 x 10^3 kg/m^3, then correct relation between T and To is (Neglect friction) (1) T=To (2) T=To÷2 (3) T=2To (4) T=4o |
| Answer» 8. A bob of a simple pendulum executing SHM in air has time period To and in water has time period T.If density of bob is 4/3 x 10^3 kg/m^3, then correct relation between T and To is (Neglect friction) (1) T=To (2) T=To÷2 (3) T=2To (4) T=4o | |