Q. Which of the following factors does NOT affect the buoyant force on an object submerged in a fluid?
A.
Density of the fluid
B.
Volume of the object
C.
Depth of the object
D.
Acceleration due to gravity
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Solution
The buoyant force depends on the density of the fluid, the volume of the object submerged, and the acceleration due to gravity, but not on the depth of the object.
Correct Answer: C — Depth of the object
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Q. Which of the following factors does NOT affect the buoyant force on an object?
A.
Volume of fluid displaced
B.
Density of the fluid
C.
Shape of the object
D.
Acceleration due to gravity
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Solution
The buoyant force depends on the volume of fluid displaced, the density of the fluid, and the acceleration due to gravity, but not on the shape of the object.
Correct Answer: C — Shape of the object
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Q. Which of the following factors does NOT affect the coefficient of friction between two surfaces?
A.
Surface roughness
B.
Material type
C.
Surface area
D.
Normal force
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Solution
The coefficient of friction is independent of the surface area in contact; it depends on the materials and their surface roughness.
Correct Answer: C — Surface area
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Q. Which of the following factors does NOT affect the coefficient of kinetic friction?
A.
Surface roughness
B.
Normal force
C.
Material of surfaces
D.
Speed of sliding
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Solution
The coefficient of kinetic friction is generally independent of the speed of sliding, while it depends on surface roughness, normal force, and material.
Correct Answer: D — Speed of sliding
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Q. Which of the following factors does NOT affect the density of a fluid?
A.
Temperature
B.
Pressure
C.
Volume
D.
Composition
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Solution
While temperature, pressure, and composition affect fluid density, volume does not directly affect density.
Correct Answer: C — Volume
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Q. Which of the following factors does NOT affect the enthalpy change of a reaction?
A.
Nature of reactants
B.
Temperature
C.
Pressure
D.
Pathway of the reaction
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Solution
The enthalpy change of a reaction is independent of the pathway taken, as it is a state function.
Correct Answer: D — Pathway of the reaction
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Q. Which of the following factors does NOT affect the entropy of a system?
A.
Temperature
B.
Volume
C.
Pressure
D.
Nature of the substance
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Solution
While temperature, volume, and the nature of the substance affect entropy, pressure does not directly affect the entropy of a system in a significant way.
Correct Answer: C — Pressure
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Q. Which of the following factors does NOT affect the equilibrium constant (K) of a reaction?
A.
Temperature
B.
Concentration of reactants
C.
Pressure
D.
Nature of reactants and products
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Solution
The equilibrium constant K is only affected by temperature. Changes in concentration or pressure will shift the position of equilibrium but not change the value of K.
Correct Answer: B — Concentration of reactants
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Q. Which of the following factors does NOT affect the equilibrium constant (K)?
A.
Temperature
B.
Concentration of reactants
C.
Pressure
D.
Nature of reactants and products
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Solution
The equilibrium constant K is only affected by temperature. Changes in concentration or pressure will shift the position of equilibrium but not change the value of K.
Correct Answer: B — Concentration of reactants
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Q. Which of the following factors does NOT affect the equilibrium constant of a reaction?
A.
Temperature
B.
Concentration of reactants
C.
Pressure
D.
Nature of reactants
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Solution
The equilibrium constant is only affected by temperature; changes in concentration or pressure do not affect it.
Correct Answer: B — Concentration of reactants
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Q. Which of the following factors does NOT affect the Gibbs Free Energy of a system?
A.
Temperature
B.
Pressure
C.
Concentration of reactants
D.
Nature of the solvent
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Solution
While temperature, pressure, and concentration of reactants affect Gibbs Free Energy, the nature of the solvent does not directly affect ΔG.
Correct Answer: D — Nature of the solvent
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Q. Which of the following factors does NOT affect the gravitational force acting on a satellite?
A.
Mass of the satellite
B.
Mass of the Earth
C.
Distance from the center of the Earth
D.
Speed of the satellite
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Solution
The gravitational force depends on the masses of the objects and the distance between them, but not on the speed of the satellite.
Correct Answer: D — Speed of the satellite
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Q. Which of the following factors does NOT affect the gravitational force between a satellite and the Earth?
A.
Mass of the satellite
B.
Mass of the Earth
C.
Distance between the satellite and the Earth
D.
Speed of the satellite
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Solution
The gravitational force depends on the masses and the distance, but not on the speed of the satellite.
Correct Answer: D — Speed of the satellite
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Q. Which of the following factors does NOT affect the gravitational force on a satellite?
A.
Mass of the satellite
B.
Mass of the Earth
C.
Distance from the center of the Earth
D.
Speed of the satellite
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Solution
The gravitational force on a satellite depends on its mass, the mass of the Earth, and the distance from the center of the Earth, but not on the speed of the satellite.
Correct Answer: D — Speed of the satellite
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Q. Which of the following factors does NOT affect the magnetic field produced by a current-carrying wire?
A.
The amount of current
B.
The distance from the wire
C.
The material of the wire
D.
The angle between the wire and the point of interest
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Solution
The material of the wire does not affect the magnetic field produced by a current-carrying wire according to the Biot-Savart Law.
Correct Answer: C — The material of the wire
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Q. Which of the following factors does NOT affect the magnetic field produced by a straight current-carrying conductor?
A.
Current strength
B.
Distance from the conductor
C.
Length of the conductor
D.
Angle of observation
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Solution
The length of the conductor does not affect the magnetic field produced by a straight current-carrying conductor at a given point.
Correct Answer: C — Length of the conductor
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Q. Which of the following factors does NOT affect the magnetic field produced by a current-carrying wire according to the Biot-Savart Law?
A.
Distance from the wire
B.
Magnitude of the current
C.
Shape of the wire
D.
Angle between the current element and the point
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Solution
The shape of the wire does not directly affect the magnetic field produced by a current-carrying wire according to the Biot-Savart Law.
Correct Answer: C — Shape of the wire
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Q. Which of the following factors does NOT affect the magnetic field produced by a current element according to the Biot-Savart Law?
A.
Magnitude of the current
B.
Length of the current element
C.
Distance from the current element
D.
Temperature of the conductor
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Solution
The temperature of the conductor does not affect the magnetic field produced by a current element according to the Biot-Savart Law.
Correct Answer: D — Temperature of the conductor
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Q. Which of the following factors does NOT affect the orbital period of a satellite?
A.
Mass of the satellite
B.
Height of the orbit
C.
Mass of the Earth
D.
Gravitational constant
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Solution
The mass of the satellite does not affect the orbital period; it is determined by the height of the orbit and the mass of the Earth.
Correct Answer: A — Mass of the satellite
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Q. Which of the following factors does NOT affect the orbital speed of a satellite?
A.
Mass of the satellite
B.
Mass of the Earth
C.
Radius of the orbit
D.
Gravitational constant
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Solution
The mass of the satellite does not affect its orbital speed; it is determined by the mass of the Earth and the radius of the orbit.
Correct Answer: A — Mass of the satellite
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Q. Which of the following factors does NOT affect the position of equilibrium?
A.
Concentration of reactants
B.
Temperature
C.
Pressure
D.
Catalyst
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Solution
A catalyst speeds up the rate of reaching equilibrium but does not affect the position of the equilibrium itself.
Correct Answer: D — Catalyst
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Q. Which of the following factors does NOT affect the pressure of a gas?
A.
Volume
B.
Temperature
C.
Number of moles
D.
Color of the gas
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Solution
The color of the gas does not affect its pressure; pressure is affected by volume, temperature, and number of moles.
Correct Answer: D — Color of the gas
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Q. Which of the following factors does NOT affect the rate of a chemical reaction?
A.
Concentration of reactants
B.
Temperature
C.
Presence of a catalyst
D.
Color of the reactants
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Solution
The color of the reactants does not affect the rate of a chemical reaction.
Correct Answer: D — Color of the reactants
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Q. Which of the following factors does NOT affect the rate of adsorption?
A.
Surface area of adsorbent
B.
Temperature
C.
Pressure of gas
D.
Color of adsorbent
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Solution
The color of the adsorbent does not affect the rate of adsorption.
Correct Answer: D — Color of adsorbent
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Q. Which of the following factors does NOT affect the rate of diffusion of a gas?
A.
Molar mass
B.
Temperature
C.
Pressure
D.
Volume of the container
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Solution
The volume of the container does not affect the rate of diffusion of a gas; it is primarily affected by molar mass, temperature, and pressure.
Correct Answer: D — Volume of the container
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Q. Which of the following factors does NOT affect the rate of heat transfer by conduction?
A.
Temperature difference
B.
Material thickness
C.
Surface area
D.
Color of the material
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Solution
The color of the material does not affect the rate of heat transfer by conduction; the other factors do.
Correct Answer: D — Color of the material
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Q. Which of the following factors does NOT affect the rate of heat transfer by convection?
A.
Fluid velocity
B.
Surface area
C.
Temperature difference
D.
Material density
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Solution
Material density does not directly affect the rate of heat transfer by convection.
Correct Answer: D — Material density
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Q. Which of the following factors does NOT affect the resistivity of a material?
A.
Temperature
B.
Material type
C.
Length of the conductor
D.
Cross-sectional area
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Solution
Resistivity is a property of the material and does not depend on the length or cross-sectional area.
Correct Answer: C — Length of the conductor
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Q. Which of the following factors does NOT affect the solubility of a gas in a liquid?
A.
Temperature
B.
Pressure
C.
Nature of solute
D.
Volume of solvent
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Solution
The volume of solvent does not directly affect the solubility of a gas; pressure and temperature do.
Correct Answer: D — Volume of solvent
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Q. Which of the following factors does NOT affect the speed of sound in a medium?
A.
Temperature
B.
Density
C.
Humidity
D.
Frequency
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Solution
The speed of sound is affected by temperature, density, and humidity, but not by frequency.
Correct Answer: D — Frequency
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