What is the process by which an atomic nucleus splits into smaller particles?
Radioactive decay
Nuclear fission
Nuclear fusion
Electron capture
Correct Answer :
B. Nuclear fission
Related Questions
What is the phenomenon where a charged object induces a charge separation in a neutral object when brought close to it?
Conduction
Induction
Charging by friction
Polarization
Which of the following is an example of a simple machine?
Lever
Inclined plane
Pulley
All of the above
What is the SI unit of angular acceleration?
Rad/s²
m/s²
Hz
Nm
Which type of nuclear decay releases a beta particle?
Alpha decay
Beta decay
Gamma decay
Electron capture
What is the acceleration due to gravity on the surface of the Earth?
9.8 m/s²
6.67 × 10^-11 Nm²/kg²
3.00 × 10^8 m/s
1.6 m/s²
What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference
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 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 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 magnetic field strength in the CGS system?
Oersted
Tesla per meter
Ampere per meter
Weber
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 phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
What is the process of a solid changing directly into a gas called?
Evaporation
Sublimation
Condensation
Melting
Which type of lens is thinner in the center and thicker at the edges?
Convex lens
Concave lens
Plano-convex lens
Plano-concave lens
Which of the following is a non-contact force?
Friction
Tension
Gravity
Magnetic force
Which law states that the electromotive force (emf) in a closed circuit is equal to the rate of change of magnetic flux through the circuit?
Faraday's Law of Electromagnetic Induction
Lenz's Law
Ohm's Law
Ampere's Law
Which law states that the pressure of a gas is directly proportional to its absolute temperature at constant volume?
Boyle's Law
Charles's Law
Gay-Lussac's Law
Avogadro's Law
What is the SI unit of magnetic flux density?
Tesla
Weber
Henry
Gauss
Which type of mirror can form both real and virtual images?
Concave mirror
Convex mirror
Plane mirror
Spherical mirror
What is the SI unit of momentum?
Kilogram-meter per second
Newton-meter
Joule
Watt
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 field strength?
Volt per meter
Newton per coulomb
Coulomb per second
Ampere per meter
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 magnetic flux in the CGS system?
Weber
Gauss
Tesla
Henry
What is the SI unit of inductance?
Henry
Farad
Ohm
Volt
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 unit of electric charge?
Coulomb
Volt
Ampere
Farad
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
Which of the following is a measure of a material's ability to conduct an electric current?
Conductance
Impedance
Susceptance
Inductance
What is the process by which a material becomes magnetized when placed in a magnetic field?
Induction
Magnetization
Polarization
Ferromagnetism