An iceberg of density 900 kg/ is floating in water of density 1000 Kg/. The percentage of volume of ice-cube outside the water is:
1. 20%
2. 35%
3. 10%
4. 25%
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhen a man sits on a boat of length 2 m and breadth 1 m floating on a lake, the boat sinks by 2 cm. The mass of the man is:
1. 25 kg
2. 40 kg
3. 60 kg
4. 80 kg
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA block weighs 5 N in air and 4.5 N in a liquid of specific gravity 0.5. Its weight in water will be:
1. 3.5 N
2. 4.0 N
3. 2.5 N
4. 3.0 N
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA beaker full of water is placed on a spring balance. If we put our finger in water without touching the beaker, how will the reading of the balance change? [Take ]
1. Increase
2. Decrease
3. Remain the same
4. Will be halved
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo non-mixing liquids of densities and n(n>1) are put in a container. The height of each liquid is h. A solid cylinder floats with its axis vertical and length pL in the denser liquid. The density of the cylinder is d. The density d is equal to:
1. {2+(n+1)p}
2. {2+(n-1)p}
3. {1+(n-1)p}
4. {1+(n+1)p}
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA boat carrying steel balls is floating on the surface of water in a tank. If the balls are thrown into the tank one by one, how will it affect the level of water?
1. | It will remain unchanged |
2. | It will rise |
3. | It will fall |
4. | First it will first rise and then fall |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA candle of diameter d is floating on a liquid in a cylindrical container of diameter D (D>>d) as shown in figure. If it is burning at the rate of 2cm/hour then the top of the candle will:
1. | Remain at the same height |
2. | Fall at the rate of 1 cm/hour |
3. | Fall at the rate of 2 cm/hour |
4. | Go up at the rate of 1cm/hour |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo bodies are in equilibrium when suspended in water from the arms of a balance. The mass of one body is \(36\) g and its density is \(9\) g/cm3. If the mass of the other is \(48\) g, its density in g/cm3 will be:
1.
2.
3. \(3\)
4. \(5\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology