A unit cell of diamond consists of
- 6 units
- 4 units
- 8 units
- 10 units
The Correct Option is B
Solution and Explanation
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- Which of the following material is not a semiconductor.
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A cubic solid is made up of two elements $X$ and $Y$ Atoms of $X$ are present on every alternate corner and one at the enter of cube $Y$ is at $\frac{1}{3} td$ of the total faces The empirical formula of the compound is
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- Match List I with List II
List-I
List-II
(A) Hexagonal (I) ∝ ≠ β ≠ γ ≠ 90° (B) Orthorhombic (II) ∝ = γ = 90°, β ≠ 90° (C) Triclinic (III) ∝ = β = 90°, γ = 120° (D) Monoclinic (IV) ∝ = β = γ = 90°
Choose the correct answer from the options given below:- CUET (UG) - 2023
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- A convex lens $'A'$ of focal length $20\, cm$ and a concave lens $'B'$ of focal length $5\, cm$ are kept along the same axis with a distance $'d'$ between them. If a parallel beam of light falling on $'A'$ leaves $'B'$ as a parallel beam, then the distance $'d'$ in cm will be :
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Concepts Used:
Solid State
Solids are substances that are featured by a definite shape, volume, and high density. In the solid-state, the composed particles are arranged in several manners. Solid-state, in simple terms, means "no moving parts." Thus solid-state electronic devices are the ones inclusive of solid components that don’t change their position. Solid is a state of matter where the composed particles are arranged close to each other. The composed particles can be either atoms, molecules, or ions.
Types of Solids:
Based on the nature of the order that is present in the arrangement of their constituent particles solids can be divided into two types;
- Amorphous solids behave the same as super cool liquids due to the arrangement of constituent particles in short-range order. They are isotropic and have a broad melting point (range is about greater than 5°C).
- Crystalline solids have a fixed shape and the constituent particles are arranged in a long-range order.