Rise of oil a wick is due to
1). density of the oil
2). iscosity of the oil
3). surface tension of the oil
4). pressure of the oil
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3. What is the SI unit of intensity of sound?
4. What is the viscosity of an ideal fluid?
6. The warm and cold ocean currents are caused by
8. When a piece of pure silicon is doped with aluminium, then
10. The motion of the wheels of a bullock-cart while moving on the road is an example of