An air bubble with a radius R and an iron ball of same radius are present in water. The distance between the centres of bubble and iron ball is 1 m. Neglect the mass of air in the bubble. The mass of water drop whose size is equal to the size of double is 1.5 kg. The densities of water and iron are 1 g/cm |
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(a) |
repulsive, equal to 2.2 X 10 |
(b) |
attractive, equal to 1.1 X 10 |

(c) |
repulsive, equal to 1.1 X 10 |
(d) |
attractive, equal to 2.2 X 10 |

An air bubble with a radius R and an iron ball of same radius are present in water. The distance between the centres of bubble and iron ball is 1 m. Neglect the mass of air in the bubble. The mass of water drop whose size is equal to the size of double is 1.5 kg. The densities of water and iron are 1 g/cm |
|||

(a) |
repulsive, equal to 2.2 X 10 |
(b) |
attractive, equal to 1.1 X 10 |

(c) |
repulsive, equal to 1.1 X 10 |
(d) |
attractive, equal to 2.2 X 10 |

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