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4

Which of the following is a measure of the amount of matter in an object?

A. Mass

B. Weight

C. Volume

D. Density

Correct Answer :

A. Mass


Related Questions

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What is the process by which a material becomes electrically charged when brought in contact with a charged object?

A. Conduction

B. Induction

C. Charging by friction

D. Polarization

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What is the unit of angular velocity?

A. Rad/s

B. m/s

C. Hz

D. Nm

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What is the SI unit of magnetic field strength?

A. Tesla

B. Weber

C. Gauss

D. Ampere

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What is the SI unit of magnetic flux?

A. Weber

B. Tesla

C. Henry

D. Gauss

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4

Which of the following statements about circular motion is true?

A. The centripetal force acts outward from the center of the circle.

B. Angular velocity is constant in circular motion.

C. The velocity of an object in circular motion is constant.

D. Acceleration is directed towards the center of the circle.

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4

Which of the following statements about nuclear reactors is true?

A. They use nuclear fusion to generate electricity.

B. They control nuclear fission reactions to produce heat.

C. They primarily use coal as a fuel source.

D. They do not involve the release of radiation.

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4

Which of the following statements about electric fields is true?

A. Electric fields always point towards positive charges.

B. Electric fields are vectors and have both magnitude and direction.

C. Electric fields only exist inside conductors.

D. Electric fields do not interact with magnetic fields.

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4

Which law states that the total momentum of an isolated system remains constant if no external forces act on it?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Conservation of Momentum

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4

Which type of energy is associated with the motion of atoms and molecules?

A. Kinetic energy

B. Potential energy

C. Thermal energy

D. Mechanical energy

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4

Which type of lens is thinner in the center and thicker at the edges?

A. Convex lens

B. Concave lens

C. Plano-convex lens

D. Plano-concave lens

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4

Which of the following statements about nuclear fusion is true?

A. It releases energy when light nuclei combine to form heavier nuclei.

B. It is the process that powers stars.

C. It is a type of radioactive decay.

D. It involves the emission of beta particles.

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4

What is the SI unit of power?

A. Watt

B. Joule

C. Volt

D. Ampere

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4

What is the SI unit of capacitance in the CGS system?

A. Farad

B. Statfarad

C. Ampere-second

D. Volt

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4

What is the SI unit of electric field strength?

A. Volt per meter

B. Newton per coulomb

C. Coulomb per second

D. Ampere per meter

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4

Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?

A. Boyle's Law

B. Charles's Law

C. Gay-Lussac's Law

D. Avogadro's Law

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4

Which of the following is a non-contact force?

A. Friction

B. Tension

C. Gravity

D. Magnetic force

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4

Which law states that the total energy in an isolated system remains constant?

A. Law of Conservation of Energy

B. Law of Conservation of Momentum

C. Law of Conservation of Mass

D. Law of Universal Gravitation

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4

What is the SI unit of inductance?

A. Henry

B. Farad

C. Ohm

D. Volt

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4

What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?

A. Reflection

B. Diffraction

C. Refraction

D. Interference

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4

Which type of nuclear decay releases a beta particle?

A. Alpha decay

B. Beta decay

C. Gamma decay

D. Electron capture

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4

What is the SI unit of momentum?

A. Kilogram-meter per second

B. Newton-meter

C. Joule

D. Watt

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4

What is the SI unit of electric charge in the CGS system?

A. Statcoulomb

B. Coulomb

C. Ampere-hour

D. Franklin

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4

What is the process by which a solid changes directly into a gas without passing through the liquid phase?

A. Evaporation

B. Sublimation

C. Condensation

D. Melting

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4

Which of the following statements about wave speed is true?

A. It is determined by frequency and wavelength.

B. It is independent of the medium through which the wave travels.

C. It is inversely proportional to amplitude.

D. It is a scalar quantity.

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4

What is the SI unit of angular acceleration?

A. Rad/s²

B. m/s²

C. Hz

D. Nm

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4

Which type of mirror can form both real and virtual images?

A. Concave mirror

B. Convex mirror

C. Plane mirror

D. Spherical mirror

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4

Which of the following is a measure of the amount of matter in an object?

A. Mass

B. Weight

C. Volume

D. Density

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4

Which of the following is a measure of an object's resistance to changes in its state of motion?

A. Inertia

B. Momentum

C. Impulse

D. Damping coefficient

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4

What is the phenomenon where light is separated into its component colors due to refraction and reflection within a material?

A. Dispersion

B. Polarization

C. Diffraction

D. Interference

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4

What is the law that states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration?

A. Newton's First Law of Motion

B. Newton's Second Law of Motion

C. Newton's Third Law of Motion

D. Law of Gravitation