A matchbox is an example of :-

Cubic

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Orthorhombic

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Rhombohedral

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Monoclinic

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Solution

The correct option is B
Orthorhombic

Take a matchbox.

We can see that the sides a, b and c are not equal.

But all the angles are $90^{\circ}$ .

Now, $\begin{matrix} a \neq b \neq c α = β = γ = 90^{\circ} \end{matrix}} \to O r t h o r h o m b i c$

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Similar questions

Q. Column-I and Column-II contain four entries each. Entries of Column-I are to be matched with some entries of Column-II. One more than one entries of Column-I may have the matching with the same entries of Column-II.

List -I	List -I
(i) Tetragonal and hexagonal	(P) $a = b \neq c$
(ii) Cubic and Rhombohedral	(Q) $α = β = γ$
(iii) Monoclinic and triclinic	(R) $a \neq b \neq c$
(iv) Orthorhombic	(S) $a = b = c$

Which of the following option has the incorrect combination considering List-I and List-II

Q. Column-I and Column-II contains four entries each. Entries of Column-I are to be matched with some entries of Column-II. One or more than one entries of Column-I may have the matching with the same entries of Column-II.

List -I	List -I
(i) Tetragonal and hexagonal	(P) $a = b \neq c$
(ii) Cubic and Rhombohedral	(Q) $α = β = γ$
(iii) Monoclinic and triclinic	(R) $a \neq b \neq c$
(iv) Orthorhombic	(S) $a = b = c$

Which of the following option has the correct combination considering List-I and List-II

Q. Why do end centred lattices exist only in orthorhombic and monoclinic bravais lattices

Match the following:

$\begin{matrix} C o l u m n I & C o l u m n I I 1. H e x a g o n a l & (i) a = b = c 2. C u b i c & (i i) a \neq b \neq c 3. T r i c l i n i c & (i i i) a = b \neq c 4. M o n o c l i n i c & (i v) α = β = γ = 90^{\circ} 5. T e t r a g o n a l & (v) α = γ = 90^{\circ}, β \neq 90^{\circ} 6. R h o m b o h e d r a l & (v i) α \neq β \neq γ \neq 90^{\circ} 7. O r t h o r h o m b i c & (v i i) . α = β = γ \neq 90^{\circ} (v i i i) α = β = 90^{\circ}, γ = 120^{\circ} \end{matrix}$

Q. Assertion: Cinnabar (HgS) is an example of rhombohedral crystal system.
Reason: For rhombohedral crystal system,

a = b = c, α = β = γ \neq 90^{\circ}

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A matchbox is an example of :-

The correct option is B Orthorhombic Take a matchbox. We can see that the sides a, b and c are not equal. But all the angles are 90∘. Now, a≠b≠cα=β=γ=90∘}→Orthorhombic

The correct option is B
Orthorhombic

Take a matchbox.

We can see that the sides a, b and c are not equal.

But all the angles are $90^{\circ}$ .

Now, $\begin{matrix} a \neq b \neq c α = β = γ = 90^{\circ} \end{matrix}} \to O r t h o r h o m b i c$