What is the SI unit of electric potential energy?
Volt
Joule
Watt
Ohm
Correct Answer :
B. Joule
Related Questions
Which of the following is an example of a longitudinal wave?
Sound wave
Light wave
X-ray
Radio wave
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
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
Which type of mirror can form both real and virtual images?
Concave mirror
Convex mirror
Plane mirror
Spherical mirror
What is the process by which an atomic nucleus splits into smaller particles?
Radioactive decay
Nuclear fission
Nuclear fusion
Electron capture
What is the SI unit of half-life in radioactive decay?
Second
Year
Joule
Becquerel
Which of the following is a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
What is the SI unit of frequency in the CGS system?
Hertz
Rad/s
Cycles per second
Revolutions per minute
What is the SI unit of electric current?
Ampere
Volt
Ohm
Joule
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 law states that the total energy in an isolated system remains constant?
Law of Conservation of Energy
Law of Conservation of Momentum
Law of Conservation of Mass
Law of Universal Gravitation
What is the SI unit of power?
Watt
Joule
Volt
Ampere
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 SI unit of pressure?
Pascal
Newton
Joule
Watt
Which of the following is a measure of an object's resistance to changes in its linear motion?
Inertia
Momentum
Impulse
Damping coefficient
Which of the following statements about nuclear fusion is true?
It releases energy when light nuclei combine to form heavier nuclei.
It is the process that powers stars.
It is a type of radioactive decay.
It involves the emission of beta particles.
Which of the following statements about transformers is true?
They only work with direct current (DC).
They can increase or decrease voltage in an electrical circuit.
They do not involve the principle of electromagnetic induction.
They are used to store electrical energy.
What is the SI unit of heat energy?
Calorie
Joule
Newton-meter
Watt
What is the process by which a liquid changes into a gas below its boiling point?
Evaporation
Vaporization
Condensation
Sublimation
What is the SI unit of electric potential difference?
Volt
Ampere
Ohm
Watt
What is the SI unit of frequency?
Hertz
Newton
Pascal
Watt
What is the SI unit of magnetic flux?
Weber
Tesla
Henry
Gauss
What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference
What is the phenomenon where light is separated into its component colors due to refraction and reflection within a material?
Dispersion
Polarization
Diffraction
Interference
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 electric potential energy?
Volt
Joule
Watt
Ohm
What is the SI unit of capacitance in the CGS system?
Farad
Statfarad
Ampere-second
Volt
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.
Which type of lens is thinner in the center and thicker at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?
Reflection
Diffraction
Refraction
Constructive interference