What is the phenomenon where a wave bounces back after striking a surface?
Refraction
Diffraction
Interference
Reflection
Correct Answer :
D. Reflection
Related Questions
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 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 a fundamental particle found in the nucleus of an atom?
Neutron
Electron
Proton
Photon
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.
Which of the following is an example of a longitudinal wave?
Sound wave
Light wave
X-ray
Radio wave
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 angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
What is the process by which a material becomes magnetized when placed in a magnetic field?
Induction
Magnetization
Polarization
Ferromagnetism
Which of the following is a measure of the amount of matter in an object?
Mass
Weight
Volume
Density
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 light is separated into its component colors due to refraction and reflection within a material?
Dispersion
Polarization
Diffraction
Interference
Which of the following is a measure of an object's resistance to changes in its state of motion?
Inertia
Momentum
Impulse
Damping coefficient
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.
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
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
What is the SI unit of electrical conductance?
Siemens
Ohm
Farad
Volt
What is the SI unit of pressure?
Pascal
Newton
Joule
Watt
What is the unit of electric current in the CGS system?
Ampere
Coulomb
Statampere
Ohm
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 of the following is a type of nuclear radiation that consists of high-energy photons?
Alpha radiation
Beta radiation
Gamma radiation
Neutron radiation
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
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.
Which law states that for every action, there is an equal and opposite reaction?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Law of Universal Gravitation
What is the SI unit of angular acceleration?
Rad/s²
m/s²
Hz
Nm
What is the SI unit of electric field strength?
Volt per meter
Newton per coulomb
Coulomb per second
Ampere per meter
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
What is the phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
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 a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference