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
Correct Answer :
C. Conservation of Charge
Related Questions
What is the unit of electric current in the CGS system?
Ampere
Coulomb
Statampere
Ohm
What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference
What is the process by which an atomic nucleus splits into smaller particles?
Radioactive decay
Nuclear fission
Nuclear fusion
Electron capture
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.
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 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 electric potential difference?
Volt
Ampere
Ohm
Watt
What is the phenomenon where light waves oscillate in a single plane?
Polarization
Diffraction
Interference
Dispersion
Which of the following is a type of nuclear radiation that consists of high-speed electrons or positrons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
What is the law that states 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 SI unit of electric field strength?
Volt per meter
Newton per coulomb
Coulomb per second
Ampere per meter
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 is a measure of an object's resistance to changes in its linear motion?
Inertia
Momentum
Impulse
Damping coefficient
What is the phenomenon where light is separated into its component colors due to refraction and reflection within a material?
Dispersion
Polarization
Diffraction
Interference
What is the SI unit of capacitance?
Farad
Ohm
Henry
Volt
Which of the following is a type of nuclear radiation that consists of high-energy photons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
Which law states that the force between two charges is inversely proportional to the square of the distance between them?
Coulomb's Law
Ohm's Law
Gauss's Law
Ampere's Law
What is the SI unit of energy?
Joule
Watt
Newton
Volt
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 phenomenon where light waves oscillate in multiple planes?
Polarization
Diffraction
Dispersion
Interference
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 fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
What is the SI unit of intensity of sound?
Watt per square meter
Decibel
Hertz
Pascal
Which type of lens is thicker in the center and thinner at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
What is the SI unit of magnetic flux?
Weber
Tesla
Henry
Gauss
Which law states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them?
Coulomb's Law
Ohm's Law
Ampere's Law
Faraday's Law
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 phenomenon where a wave changes direction as it passes through a medium with a different density?
Reflection
Diffraction
Refraction
Interference
Which of the following statements about nuclear reactors is true?
They use nuclear fusion to generate electricity.
They control nuclear fission reactions to produce heat.
They primarily use coal as a fuel source.
They do not involve the release of radiation.