What is the SI unit of pressure?
Pascal
Newton
Joule
Watt
Correct Answer :
A. Pascal
Related Questions
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 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 type of nuclear decay releases a beta particle?
Alpha decay
Beta decay
Gamma decay
Electron capture
Which type of nuclear decay releases an alpha particle?
Alpha decay
Beta decay
Gamma decay
Positron emission
Which type of particle is negatively charged and orbits the nucleus of an atom?
Electron
Proton
Neutron
Positron
What is the SI unit of magnetic flux density?
Tesla
Weber
Henry
Gauss
What is the SI unit of frequency?
Hertz
Newton
Pascal
Watt
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 electric charge in the CGS system?
Statcoulomb
Coulomb
Ampere-hour
Franklin
What is the unit of angular velocity?
Rad/s
m/s
Hz
Nm
What is the phenomenon where light waves oscillate in multiple planes?
Polarization
Diffraction
Dispersion
Interference
What is the SI unit of resistance in an electrical circuit?
Ohm
Volt
Ampere
Watt
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 a measure of a material's ability to conduct an electric current?
Conductance
Impedance
Susceptance
Inductance
What is the phenomenon where a wave interacts with an obstacle and bends around it?
Reflection
Diffraction
Refraction
Interference
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 phenomenon where a wave superposes with another wave, resulting in a new wave pattern?
Reflection
Diffraction
Refraction
Interference
What is the SI unit of half-life in radioactive decay?
Second
Year
Joule
Becquerel
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 formula for calculating electric power in a circuit?
P = VI
P = V²/R
P = I²R
P = V/R
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 phenomenon where a wave is partially deflected and partially absorbed by a surface?
Reflection
Diffraction
Refraction
Absorption
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
Which of the following is a measure of the amount of matter in an object?
Mass
Weight
Volume
Density
Which of the following is an example of a simple machine?
Lever
Inclined plane
Pulley
All of the above
What is the phenomenon where a wave undergoes a change in direction due to a change in medium?
Reflection
Diffraction
Refraction
Interference
What is the phenomenon where a wave bounces back after striking a surface?
Refraction
Diffraction
Interference
Reflection
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 electric field strength?
Volt per meter
Newton per coulomb
Coulomb per second
Ampere per meter
What is the SI unit of electric potential energy?
Volt
Joule
Watt
Ohm