Classification of Solids
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CHXII01:THE SOLID STATE

318710 Amorphous solids are called supercooled liquids because

1 These have irregular arrangement of particles
2 These have tendency to flow
3 These do not possess sharp melting point
4 These do not possess definite heat of fusion
CHXII01:THE SOLID STATE

318711 Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?

1 Quartz glass
2 Quartz
3 Silicon
4 Both (1) and (2)
CHXII01:THE SOLID STATE

318712 Which of the following statements about amorphous solids is incorrect?

1 They are rigid and incompressible.
2 They are anisotropic.
3 There is no orderly arrangement of particles.
4 They melt over a range of temperature.
CHXII01:THE SOLID STATE

318713 Which of the following is true about the value of refractive index of quartz glass?

1 Different in different directions
2 Same in all directions
3 Always zero
4 Cannot be measured
NCERT Exemplar
CHXII01:THE SOLID STATE

318714 I.
Crystalline solids have definite heat of fusion whereas amorphous solids lack it.
II. Crystalline solids have definite geometrical shape whereas amorphous solids have no definite shape.
III. Crystalline solids are anisotropic whereas amorphous solids are isotropic.
IV. Crystalline solids do not have sharp melting point whereas amorphous solids have sharp melting point.
The correct statement(s) is/are

1 I, II, IV
2 I, II, III
3 II, III, IV
4 I, II, III, IV
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CHXII01:THE SOLID STATE

318710 Amorphous solids are called supercooled liquids because

1 These have irregular arrangement of particles
2 These have tendency to flow
3 These do not possess sharp melting point
4 These do not possess definite heat of fusion
CHXII01:THE SOLID STATE

318711 Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?

1 Quartz glass
2 Quartz
3 Silicon
4 Both (1) and (2)
CHXII01:THE SOLID STATE

318712 Which of the following statements about amorphous solids is incorrect?

1 They are rigid and incompressible.
2 They are anisotropic.
3 There is no orderly arrangement of particles.
4 They melt over a range of temperature.
CHXII01:THE SOLID STATE

318713 Which of the following is true about the value of refractive index of quartz glass?

1 Different in different directions
2 Same in all directions
3 Always zero
4 Cannot be measured
NCERT Exemplar
CHXII01:THE SOLID STATE

318714 I.
Crystalline solids have definite heat of fusion whereas amorphous solids lack it.
II. Crystalline solids have definite geometrical shape whereas amorphous solids have no definite shape.
III. Crystalline solids are anisotropic whereas amorphous solids are isotropic.
IV. Crystalline solids do not have sharp melting point whereas amorphous solids have sharp melting point.
The correct statement(s) is/are

1 I, II, IV
2 I, II, III
3 II, III, IV
4 I, II, III, IV
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CHXII01:THE SOLID STATE

318710 Amorphous solids are called supercooled liquids because

1 These have irregular arrangement of particles
2 These have tendency to flow
3 These do not possess sharp melting point
4 These do not possess definite heat of fusion
CHXII01:THE SOLID STATE

318711 Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?

1 Quartz glass
2 Quartz
3 Silicon
4 Both (1) and (2)
CHXII01:THE SOLID STATE

318712 Which of the following statements about amorphous solids is incorrect?

1 They are rigid and incompressible.
2 They are anisotropic.
3 There is no orderly arrangement of particles.
4 They melt over a range of temperature.
CHXII01:THE SOLID STATE

318713 Which of the following is true about the value of refractive index of quartz glass?

1 Different in different directions
2 Same in all directions
3 Always zero
4 Cannot be measured
NCERT Exemplar
CHXII01:THE SOLID STATE

318714 I.
Crystalline solids have definite heat of fusion whereas amorphous solids lack it.
II. Crystalline solids have definite geometrical shape whereas amorphous solids have no definite shape.
III. Crystalline solids are anisotropic whereas amorphous solids are isotropic.
IV. Crystalline solids do not have sharp melting point whereas amorphous solids have sharp melting point.
The correct statement(s) is/are

1 I, II, IV
2 I, II, III
3 II, III, IV
4 I, II, III, IV
For More Updates join with Us
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CHXII01:THE SOLID STATE

318710 Amorphous solids are called supercooled liquids because

1 These have irregular arrangement of particles
2 These have tendency to flow
3 These do not possess sharp melting point
4 These do not possess definite heat of fusion
CHXII01:THE SOLID STATE

318711 Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?

1 Quartz glass
2 Quartz
3 Silicon
4 Both (1) and (2)
CHXII01:THE SOLID STATE

318712 Which of the following statements about amorphous solids is incorrect?

1 They are rigid and incompressible.
2 They are anisotropic.
3 There is no orderly arrangement of particles.
4 They melt over a range of temperature.
CHXII01:THE SOLID STATE

318713 Which of the following is true about the value of refractive index of quartz glass?

1 Different in different directions
2 Same in all directions
3 Always zero
4 Cannot be measured
NCERT Exemplar
CHXII01:THE SOLID STATE

318714 I.
Crystalline solids have definite heat of fusion whereas amorphous solids lack it.
II. Crystalline solids have definite geometrical shape whereas amorphous solids have no definite shape.
III. Crystalline solids are anisotropic whereas amorphous solids are isotropic.
IV. Crystalline solids do not have sharp melting point whereas amorphous solids have sharp melting point.
The correct statement(s) is/are

1 I, II, IV
2 I, II, III
3 II, III, IV
4 I, II, III, IV
NEET DIGITAL LIBRARY
CHXII01:THE SOLID STATE

318710 Amorphous solids are called supercooled liquids because

1 These have irregular arrangement of particles
2 These have tendency to flow
3 These do not possess sharp melting point
4 These do not possess definite heat of fusion
CHXII01:THE SOLID STATE

318711 Which of the following amorphous solid is used as photovoltaic material for conversion of sunlight into electricity?

1 Quartz glass
2 Quartz
3 Silicon
4 Both (1) and (2)
CHXII01:THE SOLID STATE

318712 Which of the following statements about amorphous solids is incorrect?

1 They are rigid and incompressible.
2 They are anisotropic.
3 There is no orderly arrangement of particles.
4 They melt over a range of temperature.
CHXII01:THE SOLID STATE

318713 Which of the following is true about the value of refractive index of quartz glass?

1 Different in different directions
2 Same in all directions
3 Always zero
4 Cannot be measured
NCERT Exemplar
CHXII01:THE SOLID STATE

318714 I.
Crystalline solids have definite heat of fusion whereas amorphous solids lack it.
II. Crystalline solids have definite geometrical shape whereas amorphous solids have no definite shape.
III. Crystalline solids are anisotropic whereas amorphous solids are isotropic.
IV. Crystalline solids do not have sharp melting point whereas amorphous solids have sharp melting point.
The correct statement(s) is/are

1 I, II, IV
2 I, II, III
3 II, III, IV
4 I, II, III, IV