# CRYSTAL STRUCTURES

## Quiz by Dr.M.Saranya PSGRKCW

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34 questions

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- Q1What is crystal?A liquid material with a high refractive indexA magnetic solid with a highly disordered atomic arrangementA solid material whose atoms are arranged in a highly ordered, repeating patternA gas material with a cubic molecular structure30s
- Q2What is an example of a perfect crystal?QuartzMicaFeldsparDiamond30s
- Q3What is lattice?A type of birdA geometric arrangement of points or objects in a regular patternA type of dessertA type of flower30s
- Q4What is an example of a lattice?Crystal structureDNA sequenceGaseous stateLiquid solution30s
- Q5What are lattice points?Points with coordinates (a,b) where a is an integer and b is a rational number.Points with coordinates (a,b) where a and b are integers.Points with coordinates (a,b) where a and b are real numbers.Points with coordinates (a,b) where a and b are both irrational numbers.30s
- Q6What is a space lattice?A periodic arrangement of points in space that represents the arrangement of atoms in a crystal.A type of intergalactic transportation device.A tool used to measure the distance between galaxies.A structure made of cheese that astronauts eat in space.30s
- Q7What is a unit cell in a space lattice?The smallest group of atoms, ions, or molecules that reflects the overall symmetry of the crystal lattice.A concept used to describe the distance between galaxies.A device that measures the size of a space lattice.A type of spacecraft used for space exploration.30s
- Q8What is a crystal lattice?A structure made of cheese that astronauts eat in space.A regular, repeating arrangement of atoms, ions, or molecules in three dimensions.A measurement tool for the distance between stars.A type of spacecraft used for space exploration.30s
- Q9What is the basic unit of a crystal lattice called?IonUnit cellAtomMolecule30s
- Q10What is the arrangement of points in space that represents the arrangement of atoms in a crystal?Molecule structureAtom arrangementSpace latticeCrystal symmetry30s
- Q11What is a translational vector?A vector that describes the displacement of an object from one point to another.A vector that describes the rotation of an object.A vector that describes the velocity of an object.A vector that describes the acceleration of an object.30s
- Q12What is the sum of two translational vectors?A matrixA tensorAnother translational vectorA scalar30s
- Q13What is a basis in crystals?A physical property of crystals that allows them to diffract X-rays.A type of geometric shape that crystals adopt.A set of atoms, ions, or molecules arranged in a definite pattern that defines the structure of a crystal.The ability of a material to conduct electricity.30s
- Q14What is the role of a basis in crystals?To increase the hardness of a crystal.To define the structure of a crystal.To determine the color of a crystal.To allow crystals to diffract X-rays.30s
- Q15What is a unit cell in crystals?The shape of a crystal when it is cut.The smallest repeating unit of a crystal lattice.A layer of atoms in a crystal lattice.The way in which crystals absorb light.30s