Which of the following is a fundamental force of nature responsible for holding atomic nuclei together?
Electromagnetic force
Gravitational force
Weak nuclear force
Strong nuclear force
Correct Answer :
D. Strong nuclear force
Related Questions
Which of the following statements about electric potential energy is true?
It is a scalar quantity.
It depends on the charge of the object and the distance from another charge.
It is always negative.
It is measured in amperes.
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
What is the phenomenon where light changes direction when passing from one medium to another?
Reflection
Diffraction
Refraction
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 heat energy?
Calorie
Joule
Newton-meter
Watt
Which of the following statements about gravity is true?
It is a contact force.
It is a repulsive force.
It is a conservative force.
It only acts on planets and stars.
What is the phenomenon where a wave bounces back after striking a surface?
Refraction
Diffraction
Interference
Reflection
Which of the following is a non-contact force?
Friction
Tension
Gravity
Magnetic force
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 process by which a solid changes directly into a gas without passing through the liquid phase?
Evaporation
Sublimation
Condensation
Melting
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 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 momentum?
Kilogram-meter per second
Newton-meter
Joule
Watt
Which of the following is a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
Which law states that the total momentum of an isolated system remains constant if no external forces act on it?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Conservation of Momentum
What is the SI unit of electric charge in the MKS system?
Coulomb
Statcoulomb
Ampere
Franklin
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
Which type of nuclear decay releases a beta particle?
Alpha decay
Beta decay
Gamma decay
Electron capture
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 angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
What is the SI unit of magnetic flux?
Weber
Tesla
Henry
Gauss
What is the process by which an unstable atomic nucleus loses energy by emitting radiation called?
Radioactive decay
Nuclear fission
Nuclear fusion
Electron capture
What is the phenomenon where a wave undergoes a change in direction due to a change in medium?
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
What is the phenomenon where a wave interacts with an obstacle and bends around it?
Reflection
Diffraction
Refraction
Interference
What is the process by which a material becomes magnetized when placed in a magnetic field?
Induction
Magnetization
Polarization
Ferromagnetism
What is the SI unit of angular acceleration?
Rad/s²
m/s²
Hz
Nm
What is the formula for calculating electric power in a circuit?
P = VI
P = V²/R
P = I²R
P = V/R
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
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