1.

Write true or false for each statement: (a) Equal volumes of the two different substances have equal masses. (b) The density of a piece of brass will change by changing its size or shape. (c) The density of a liquid decreases with an increase in its temperature. (d) Relative density of water is 1.0. (e) Relative density of a substance is expressed in g cm−3. (f) When a body is immersed in a liquid, the buoyant force experienced by the body is equal to the volume of the displaced by it. (g) A body experiences the same buoyant force while floating in water or alcohol. (h) A body experiences the same buoyant force when it floats or sinks in water. (i) A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part. (j) A body while floating sinks in a liquid of low density than in high density.

Answer»

Write true or false for each statement:

(a) Equal volumes of the two different substances have equal masses.

(b) The density of a piece of brass will change by changing its size or shape.

(c) The density of a liquid decreases with an increase in its temperature.

(d) Relative density of water is 1.0.

(e) Relative density of a substance is expressed in g cm3.

(f) When a body is immersed in a liquid, the buoyant force experienced by the body is equal to the volume of the displaced by it.

(g) A body experiences the same buoyant force while floating in water or alcohol.

(h) A body experiences the same buoyant force when it floats or sinks in water.

(i) A body floats in a liquid when its weight becomes equal to the weight of the liquid displaced by its submerged part.

(j) A body while floating sinks in a liquid of low density than in high density.



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