Which of the following is an example of a vector quantity?
Mass
Speed
Distance
Velocity
Correct Answer :
D. Velocity
Related Questions
What is the SI unit of pressure?
Pascal
Newton
Joule
Watt
What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?
Reflection
Diffraction
Refraction
Constructive interference
What is the SI unit of electric potential difference?
Volt
Ampere
Ohm
Watt
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
What is the phenomenon where a wave changes direction as it passes through a medium with a different density?
Reflection
Diffraction
Refraction
Interference
Which law states that the volume of a gas is directly proportional to its absolute temperature at constant pressure?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
Which of the following is an example of a vector quantity?
Mass
Speed
Distance
Velocity
What is the process by which a material becomes electrically charged when brought in contact with a charged object?
Conduction
Induction
Charging by friction
Polarization
What is the SI unit of magnetic susceptibility?
No unit (dimensionless)
Tesla per meter
Ampere per meter
Weber
What is the SI unit of momentum?
Kilogram-meter per second
Newton-meter
Joule
Watt
What is the formula for calculating electric power in a circuit?
P = VI
P = V²/R
P = I²R
P = V/R
Which of the following statements about circular motion is true?
The centripetal force acts outward from the center of the circle.
Angular velocity is constant in circular motion.
The velocity of an object in circular motion is constant.
Acceleration is directed towards the center of the circle.
What is the process by which a gas changes into a solid without passing through the liquid phase?
Vaporization
Deposition
Sublimation
Condensation
What is the SI unit of electric potential energy?
Volt
Joule
Watt
Ohm
Which law states that the total electric charge in a closed system is constant?
Coulomb's Law
Ohm's Law
Conservation of Charge
Ampere's Law
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?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Gravitation
What is the SI unit of electric field strength?
Volt per meter
Newton per coulomb
Coulomb per second
Ampere per meter
Which of the following statements about kinetic friction is true?
It always opposes motion.
It is independent of the normal force.
It is greater than static friction.
It depends on the velocity of the object.
What is the SI unit of frequency?
Hertz
Newton
Pascal
Watt
Which of the following statements about wave speed is true?
It is determined by frequency and wavelength.
It is independent of the medium through which the wave travels.
It is inversely proportional to amplitude.
It is a scalar quantity.
Which of the following is an example of a simple machine?
Lever
Inclined plane
Pulley
All of the above
What is the process by which a material acquires a positive or negative charge by gaining or losing electrons?
Conduction
Induction
Charging by friction
Polarization
What is the phenomenon where a wave undergoes a change in direction due to a change in medium?
Reflection
Diffraction
Refraction
Interference
Which of the following statements about waves is true?
Longitudinal waves require a medium for propagation.
Transverse waves have oscillations perpendicular to the direction of wave motion.
Electromagnetic waves are an example of mechanical waves.
Sound waves are an example of electromagnetic waves.
What is the phenomenon where a wave bounces back after striking a surface?
Refraction
Diffraction
Interference
Reflection
What is the SI unit of intensity of sound?
Watt per square meter
Decibel
Hertz
Pascal
What is the wavelength range of visible light?
100 nm - 400 nm
400 nm - 700 nm
700 nm - 1000 nm
1 mm - 10 mm
Which law states that an object at rest tends to stay at rest and an object in motion tends to stay in motion unless acted upon by an external force?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Gravitation
Which of the following is a measure of a material's ability to conduct an electric current?
Conductance
Impedance
Susceptance
Inductance
Which of the following statements about electric fields is true?
Electric fields always point towards positive charges.
Electric fields are vectors and have both magnitude and direction.
Electric fields only exist inside conductors.
Electric fields do not interact with magnetic fields.