What is the SI unit of force?
Watt
Joule
Newton
Volt
Correct Answer :
C. Newton
Related Questions
Which type of energy is associated with the motion of atoms and molecules?
Kinetic energy
Potential energy
Thermal energy
Mechanical energy
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 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 phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
What is the phenomenon where a wave combines with another wave to produce a wave with greater amplitude?
Reflection
Diffraction
Refraction
Constructive interference
What is the SI unit of intensity of sound?
Watt per square meter
Decibel
Hertz
Pascal
What is the SI unit of magnetic flux density?
Tesla
Weber
Henry
Gauss
What is the process by which a liquid changes into a gas below its boiling point?
Evaporation
Vaporization
Condensation
Sublimation
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.
What is the SI unit of angular momentum?
Kilogram-meter per second
Joule-second
Newton-meter
Hertz
What is the SI unit of magnetic susceptibility?
No unit (dimensionless)
Tesla per meter
Ampere per meter
Weber
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
What is the SI unit of capacitance in the CGS system?
Farad
Statfarad
Ampere-second
Volt
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 resistance in an electrical circuit?
Ohm
Volt
Ampere
Watt
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.
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
What is the SI unit of momentum?
Kilogram-meter per second
Newton-meter
Joule
Watt
What is the process by which an atomic nucleus splits into smaller particles?
Radioactive decay
Nuclear fission
Nuclear fusion
Electron capture
Which type of nuclear decay releases a beta particle?
Alpha decay
Beta decay
Gamma decay
Electron capture
What is the phenomenon where a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference
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 SI unit of capacitance?
Farad
Ohm
Henry
Volt
Which type of particle is negatively charged and orbits the nucleus of an atom?
Electron
Proton
Neutron
Positron
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 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.
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 is an example of a simple machine?
Lever
Inclined plane
Pulley
All of the above
What is the SI unit of power?
Watt
Joule
Volt
Ampere