Advertisements
Advertisements
प्रश्न
Why do solids have a definite volume?
उत्तर
The intermolecular forces of attraction that are present in solids are very strong. The constituent particles of solids have fixed positions i.e., they are rigid. Hence, solids have a definite volume.
APPEARS IN
संबंधित प्रश्न
'Stability of a crystal is reflected in the magnitude of its melting point'. Comment. Collect melting points of solid water, ethyl alcohol, diethyl ether and methane from a data book. What can you say about the intermolecular forces between these molecules?
Write any two differences between amorphous solids and crystalline solids
Why does sodium chloride on heating with sodium vapours acquire yellow colour?
Assertion: Stability of a crystal is reflected in the magnitude of its melting.
Reason: The stability of a crystal depends upon the strength of the interparticle attractive force.
Most crystals show good cleavage because their atoms, ions or molecules are ____________.
A crystalline solid ____________.
Which of the following statements about amorphous solids is incorrect?
Which of the following is an amorphous solid?
Which of the following statement is not true about amorphous solids?
The sharp melting point of crystalline solids is due to ______.
Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?
Which one of the following is non-crystalline or amorphous?
Amorphous solids are ______.
Which of the following is true about the value of refractive index of quartz glass?
Which of the following features are not shown by quartz glass?
(i) This is a crystalline solid.
(ii) Refractive index is same in all the directions.
(iii) This has definite heat of fusion.
(iv) This is also called super cooled liquid.
The property of crystalline solid is not ______.
Assertion A: Sharp glass edge becomes smooth on heating it upto its melting point.
Reason R: The viscosity of glass decreases on melting.
Choose the most appropriate answer from the options given below.
