Properties of Matter

Q. What is the effect of temperature on the surface tension of water?
  • A. Increases with temperature
  • B. Decreases with temperature
  • C. Remains constant
  • D. Varies unpredictably
Q. What is the effect of temperature on the viscosity of liquids?
  • A. Increases with temperature
  • B. Decreases with temperature
  • C. Remains constant
  • D. Varies randomly
Q. What is the formula for the modulus of resilience?
  • A. U = 1/2 * σ * ε
  • B. U = σ * ε
  • C. U = 1/2 * ε^2
  • D. U = σ^2 / 2
Q. What is the formula for Young's modulus?
  • A. Stress/Strain
  • B. Strain/Stress
  • C. Force/Area
  • D. Area/Force
Q. What is the primary cause of capillary action in liquids?
  • A. Cohesion
  • B. Adhesion
  • C. Viscosity
  • D. Density
Q. What is the primary cause of surface tension in liquids?
  • A. Cohesive forces
  • B. Adhesive forces
  • C. Gravitational forces
  • D. Electromagnetic forces
Q. What is the primary cause of the phenomenon known as capillarity?
  • A. Cohesion
  • B. Adhesion
  • C. Viscosity
  • D. Density
Q. What is the primary cause of the phenomenon of buoyancy?
  • A. Surface tension
  • B. Pressure difference
  • C. Viscosity
  • D. Density
Q. What is the primary cause of the phenomenon of capillarity?
  • A. Cohesion
  • B. Adhesion
  • C. Viscosity
  • D. Density
Q. What is the primary cause of viscosity in fluids?
  • A. Molecular interactions
  • B. Temperature
  • C. Pressure
  • D. Density
Q. What is the primary factor that affects the viscosity of a gas?
  • A. Temperature
  • B. Pressure
  • C. Density
  • D. Molecular weight
Q. What is the primary factor that determines the viscosity of a fluid?
  • A. Temperature
  • B. Pressure
  • C. Density
  • D. Molecular size
Q. What is the primary reason for the formation of droplets of water on a leaf?
  • A. Cohesion
  • B. Adhesion
  • C. Surface tension
  • D. Gravity
Q. What is the primary reason for the increase in viscosity of a liquid with molecular weight?
  • A. Increased intermolecular forces
  • B. Decreased temperature
  • C. Increased pressure
  • D. Decreased density
Q. What is the primary reason for the phenomenon of capillarity?
  • A. Surface tension
  • B. Viscosity
  • C. Density
  • D. Pressure
Q. What is the principle behind Archimedes' principle?
  • A. Buoyant force
  • B. Pressure difference
  • C. Surface tension
  • D. Viscosity
Q. What is the relationship between pressure and depth in a fluid?
  • A. Pressure increases with depth
  • B. Pressure decreases with depth
  • C. Pressure remains constant
  • D. Pressure is independent of depth
Q. What is the relationship between shear modulus (G) and Young's modulus (E)?
  • A. G = E / (2(1 + ν))
  • B. G = E * (2(1 + ν))
  • C. G = E / (1 + ν)
  • D. G = E * (1 + ν)
Q. What is the relationship between shear modulus and Young's modulus for isotropic materials?
  • A. G = E/2(1 + ν)
  • B. G = E(1 + ν)/2
  • C. G = E/3
  • D. G = 2E
Q. What is the relationship between shear rate and viscosity in a Newtonian fluid?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential relationship
Q. What is the relationship between shear stress and shear rate in a Newtonian fluid?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Exponential
  • D. No relationship
Q. What is the relationship between shear stress and shear strain in a material?
  • A. Shear modulus
  • B. Bulk modulus
  • C. Young's modulus
  • D. Poisson's ratio
Q. What is the relationship between stress and strain in the elastic limit of a material?
  • A. Directly proportional
  • B. Inversely proportional
  • C. Exponential
  • D. Logarithmic
Q. What is the relationship between stress and strain in the elastic region of a material?
  • A. Stress is directly proportional to strain
  • B. Stress is inversely proportional to strain
  • C. Stress is independent of strain
  • D. Stress is proportional to the square of strain
Q. What is the relationship between surface tension and temperature for most liquids?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential
Q. What is the relationship between surface tension and the shape of a liquid droplet?
  • A. Droplets are always flat
  • B. Droplets are spherical
  • C. Droplets can be any shape
  • D. Droplets are cubic
Q. What is the relationship between temperature and viscosity for most liquids?
  • A. Viscosity increases with temperature
  • B. Viscosity decreases with temperature
  • C. Viscosity remains constant
  • D. Viscosity fluctuates randomly
Q. What is the relationship between temperature and viscosity in liquids?
  • A. Directly proportional
  • B. Inversely proportional
  • C. No relationship
  • D. Exponential
Q. What is the shape of a liquid droplet on a surface due to surface tension?
  • A. Flat
  • B. Cylindrical
  • C. Spherical
  • D. Cubical
Q. What is the SI unit of dynamic viscosity?
  • A. Pascal-second
  • B. Newton-second
  • C. Kilogram-meter
  • D. Joule-second
Showing 121 to 150 of 216 (8 Pages)
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