QBManager

CHXII01:THE SOLID STATE

318779 Which of the following unit cell shows $a \neq b \neq c, α = γ = 90^{\circ}$ and $β \neq 90^{\circ}$ ?

1 Monoclinic system

2 Triclinic system

3 Tetrahedral system

4 Hexagonal system

CHXII01:THE SOLID STATE

318780 Assertion :
Triclinic system is the most unsymmetrical system.
Reason :
No axial angle is equal to $90^{\circ}$ in triclinic system.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXII01:THE SOLID STATE

318781 Tetragonal crystal system has the following unit cell dimensions

1

a = b = c

and

α = β \neq γ \neq 90^{\circ}

2

a = b \neq c

and

α = β = γ = 90^{\circ}

3

a \neq b \neq c

and

α = β \neq γ \neq 90^{\circ}

4

a = b \neq c

and

α = β = 90^{\circ}, γ = 120^{\circ}

Explanation:

Tetragonal system has the unit cell dimension, $a = b \neq c$ and $α = β = γ = 90^{\circ}$

CHXII01:THE SOLID STATE

318782 How many lattice points are there in one unit cell of fcc lattice?

1 14

2 7

3 8

4 12

CHXII01:THE SOLID STATE

318783 The unit cell with crystallographic dimensions, $a \neq b \neq c, α = γ = 90^{\circ}$ and $β = 90^{\circ}$ is

1 monoclinic

2 tetragonal

3 triclinic

4 orthorhombic

CHXII01:THE SOLID STATE

318779 Which of the following unit cell shows $a \neq b \neq c, α = γ = 90^{\circ}$ and $β \neq 90^{\circ}$ ?

1 Monoclinic system

2 Triclinic system

3 Tetrahedral system

4 Hexagonal system

CHXII01:THE SOLID STATE

318780 Assertion :
Triclinic system is the most unsymmetrical system.
Reason :
No axial angle is equal to $90^{\circ}$ in triclinic system.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXII01:THE SOLID STATE

318781 Tetragonal crystal system has the following unit cell dimensions

1

a = b = c

and

α = β \neq γ \neq 90^{\circ}

2

a = b \neq c

and

α = β = γ = 90^{\circ}

3

a \neq b \neq c

and

α = β \neq γ \neq 90^{\circ}

4

a = b \neq c

and

α = β = 90^{\circ}, γ = 120^{\circ}

Explanation:

Tetragonal system has the unit cell dimension, $a = b \neq c$ and $α = β = γ = 90^{\circ}$

CHXII01:THE SOLID STATE

318782 How many lattice points are there in one unit cell of fcc lattice?

1 14

2 7

3 8

4 12

CHXII01:THE SOLID STATE

318783 The unit cell with crystallographic dimensions, $a \neq b \neq c, α = γ = 90^{\circ}$ and $β = 90^{\circ}$ is

1 monoclinic

2 tetragonal

3 triclinic

4 orthorhombic

CHXII01:THE SOLID STATE

318779 Which of the following unit cell shows $a \neq b \neq c, α = γ = 90^{\circ}$ and $β \neq 90^{\circ}$ ?

1 Monoclinic system

2 Triclinic system

3 Tetrahedral system

4 Hexagonal system

CHXII01:THE SOLID STATE

318780 Assertion :
Triclinic system is the most unsymmetrical system.
Reason :
No axial angle is equal to $90^{\circ}$ in triclinic system.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXII01:THE SOLID STATE

318781 Tetragonal crystal system has the following unit cell dimensions

1

a = b = c

and

α = β \neq γ \neq 90^{\circ}

2

a = b \neq c

and

α = β = γ = 90^{\circ}

3

a \neq b \neq c

and

α = β \neq γ \neq 90^{\circ}

4

a = b \neq c

and

α = β = 90^{\circ}, γ = 120^{\circ}

Explanation:

Tetragonal system has the unit cell dimension, $a = b \neq c$ and $α = β = γ = 90^{\circ}$

CHXII01:THE SOLID STATE

318782 How many lattice points are there in one unit cell of fcc lattice?

1 14

2 7

3 8

4 12

CHXII01:THE SOLID STATE

318783 The unit cell with crystallographic dimensions, $a \neq b \neq c, α = γ = 90^{\circ}$ and $β = 90^{\circ}$ is

1 monoclinic

2 tetragonal

3 triclinic

4 orthorhombic

CHXII01:THE SOLID STATE

318779 Which of the following unit cell shows $a \neq b \neq c, α = γ = 90^{\circ}$ and $β \neq 90^{\circ}$ ?

1 Monoclinic system

2 Triclinic system

3 Tetrahedral system

4 Hexagonal system

CHXII01:THE SOLID STATE

318780 Assertion :
Triclinic system is the most unsymmetrical system.
Reason :
No axial angle is equal to $90^{\circ}$ in triclinic system.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXII01:THE SOLID STATE

318781 Tetragonal crystal system has the following unit cell dimensions

1

a = b = c

and

α = β \neq γ \neq 90^{\circ}

2

a = b \neq c

and

α = β = γ = 90^{\circ}

3

a \neq b \neq c

and

α = β \neq γ \neq 90^{\circ}

4

a = b \neq c

and

α = β = 90^{\circ}, γ = 120^{\circ}

Explanation:

Tetragonal system has the unit cell dimension, $a = b \neq c$ and $α = β = γ = 90^{\circ}$

CHXII01:THE SOLID STATE

318782 How many lattice points are there in one unit cell of fcc lattice?

1 14

2 7

3 8

4 12

CHXII01:THE SOLID STATE

318783 The unit cell with crystallographic dimensions, $a \neq b \neq c, α = γ = 90^{\circ}$ and $β = 90^{\circ}$ is

1 monoclinic

2 tetragonal

3 triclinic

4 orthorhombic

CHXII01:THE SOLID STATE

318779 Which of the following unit cell shows $a \neq b \neq c, α = γ = 90^{\circ}$ and $β \neq 90^{\circ}$ ?

1 Monoclinic system

2 Triclinic system

3 Tetrahedral system

4 Hexagonal system

CHXII01:THE SOLID STATE

318780 Assertion :
Triclinic system is the most unsymmetrical system.
Reason :
No axial angle is equal to $90^{\circ}$ in triclinic system.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.

2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.

3 Assertion is correct but Reason is incorrect.

4 Assertion is incorrect but reason is correct.

CHXII01:THE SOLID STATE

318781 Tetragonal crystal system has the following unit cell dimensions

1

a = b = c

and

α = β \neq γ \neq 90^{\circ}

2

a = b \neq c

and

α = β = γ = 90^{\circ}

3

a \neq b \neq c

and

α = β \neq γ \neq 90^{\circ}

4

a = b \neq c

and

α = β = 90^{\circ}, γ = 120^{\circ}

Explanation:

Tetragonal system has the unit cell dimension, $a = b \neq c$ and $α = β = γ = 90^{\circ}$

CHXII01:THE SOLID STATE

318782 How many lattice points are there in one unit cell of fcc lattice?

1 14

2 7

3 8

4 12

CHXII01:THE SOLID STATE

318783 The unit cell with crystallographic dimensions, $a \neq b \neq c, α = γ = 90^{\circ}$ and $β = 90^{\circ}$ is

1 monoclinic

2 tetragonal

3 triclinic

4 orthorhombic