Define the following terms: $(i)$ Rigidity,$(ii)$ Compressibility,and $(iii)$ Density. Compare any two states of matter on the basis of the above-defined properties.
(A) $(i)$ Rigidity: The property of matter to maintain its shape even when an external force is applied.
$(ii)$ Compressibility: The property of matter by virtue of which its particles can be brought closer to each other by applying external pressure.
$(iii)$ Density: The mass per unit volume of a substance,defined as $\text{Density} = \frac{\text{Mass}}{\text{Volume}}$.
$(ii)$ Compressibility: The property of matter by virtue of which its particles can be brought closer to each other by applying external pressure.
$(iii)$ Density: The mass per unit volume of a substance,defined as $\text{Density} = \frac{\text{Mass}}{\text{Volume}}$.
| Property | Solid | Liquid | Gas |
| Rigidity | Rigid | Fluid | Fluid |
| Compressibility | Negligible | Very low | High |
| Density | High | Less than solids | Least |
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$A$ glass tumbler containing hot water is kept in the freezer compartment of a refrigerator (temperature $< 0\,^{\circ}\text{C}$). If you could measure the temperature of the content of the tumbler,which of the following graphs would correctly represent the change in its temperature as a function of time?
Medium
View SolutionMatch the physical quantities given in column $A$ to their $SI$ units given in column $B$.
Column $A$ Column $B$ $(a)$ Pressure $(i)$ cubic metre $(b)$ Temperature $(ii)$ kilogram $(c)$ Density $(iii)$ pascal $(d)$ Mass $(iv)$ kelvin $(e)$ Volume $(v)$ kilogram per cubic metre
| Column $A$ | Column $B$ |
| $(a)$ Pressure | $(i)$ cubic metre |
| $(b)$ Temperature | $(ii)$ kilogram |
| $(c)$ Density | $(iii)$ pascal |
| $(d)$ Mass | $(iv)$ kelvin |
| $(e)$ Volume | $(v)$ kilogram per cubic metre |
Medium
View Solution$(a)$ Explain with the help of an activity which shows that particles of matter are very small.
$(b)$ Define matter. Name the states of matter in which the forces between the constituent particles are
$(i)$ strongest
$(ii)$ weakest
$(c)$ When sugar and common salt are kept in different jars,they take the shape of the jars. Are they solid? Justify your answer.
$(b)$ Define matter. Name the states of matter in which the forces between the constituent particles are
$(i)$ strongest
$(ii)$ weakest
$(c)$ When sugar and common salt are kept in different jars,they take the shape of the jars. Are they solid? Justify your answer.
Difficult
View Solution$(a)$ Compare a block of wood,water,and air on the basis of the following:
$(i)$ Compressibility
$(ii)$ Particle motion
$(iii)$ Rigidity
$(b)$ Account for the following:
$(i)$ Gases exert pressure on the walls of the container.
$(ii)$ Liquids can be called fluids.
$(i)$ Compressibility
$(ii)$ Particle motion
$(iii)$ Rigidity
$(b)$ Account for the following:
$(i)$ Gases exert pressure on the walls of the container.
$(ii)$ Liquids can be called fluids.
Difficult
View Solution$(a)$ Give an example where a change in physical state occurs due to a change in pressure.
$(b)$ State two factors that determine the rate of diffusion of a liquid in another liquid.
$(b)$ State two factors that determine the rate of diffusion of a liquid in another liquid.
Medium
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