105 questions across 8 question groups — pick any mix to generate a Science paper with step-by-step answer keys.
MCQ
19 Q→02Assertion (A) & Reason (B) MCQ
2 Q→03[2 Mark Questions]
20 Q→04Match The Following.
3 Q→05[4 Mark Questions]
6 Q→06Fill In The Blanks.
25 Q→07[ 1 mark questions ]
15 Q→08true or false.[1 Mark each]
15 Q→One sample from each question group in this chapter. Select any group above to see the full set with answer keys.
Calculate the apparent weight of wood floating on water if it weighs 100g in air.
Density of mercury is 13600 kg m–3. Calculate the relative density.
A block of wood of weight 200 g floats on the surface of water. If the volume of block is 300 cm3 , calculate the upthrust due to water.
Match the following.
| 1. | Density | hρg |
| 2. | 1 gwt | Milk |
| 3. | Pascal’s law | $\frac{\text { Mass }}{\text { Volume }}$ |
| 4. | Pressure exerted by a fluid | Pressure |
| 5. | Lactometer | 980 dyne |
| 1.Hydraulic press | a) Archimedes |
| 2.Cartesian Diver | b) Floatation |
| 3. Hydrostatic Balance | c) Pascal’s law |
| 4. Hydrometer | d) Buoyancy |
| 1. Lactometer | a) Relative density |
| 2. Saccharometer | b) Alcohol |
| 3. Alcoholometer | c) Sugar |
| 4. Pyncometer | d) Milk |
The density of water is 1 g cm–3. What is its density in S.I. units?
Hydraulic press is used in the extraction of oil from oil seeds.
True
False
Archimedes’ principle can also be applied to gases.
True
False
The foundations of high-rise buildings are kept wide so that they may exert more pressure on the ground.
True
False
The shape of an object helps to determine whether the object will float or not
True
False
The weight of fluid displaced determines the buoyant force on an object.
True
False
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