Strain
Stress
Elasticity
Capillarity
Hoeing is a fundamental agricultural practice that involves the disruption of the soil surface to manage weeds and enhance soil aeration.
The phenomenon of rising or falling of liquid column in a capillary tube (glass tube of very fine bor(e) is called capillarity. Examples of Capillarity –
- A piece of blotting paper soaks ink because the pores of the blotting paper serve as capillary tubes.
- The oil in the wick of a lamp rises due to capillary action of threads in the wick.
- The root hairs of plants draws water from the soil through capillary action.
- To prevent loss of water due to capillary action, the soil is loosened and split into pieces by the farmers.
- If a capillary tube is dipped in water in an artificial satellite, water rises up to other end of tube because of its zero apparent weight, how long the tube may be.
- Action of towel in soaking up water from the body is due to capillary action of cotton in the towel.
- Melted wax, in a candle rises up to wick by capillary action.
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