Physics WAEC past questions and answers
Here are 20 physics WAEC exam questions with multiple-choice options and answers:
What is the SI unit of force?
a) Joule
b) Newton
c) Watt
d) Kilogram
Answer: b) Newton
Which of the following is a vector quantity?
a) Speed
b) Distance
c) Mass
d) Velocity
Answer: d) Velocity
According to Newton's second law, the force applied to an object is equal to:
a) The object's velocity
b) The object's acceleration
c) The object's mass
d) The object's weight
Answer: b) The object's acceleration
Which color of light has the shortest wavelength?
a) Red
b) Green
c) Blue
d) Yellow
Answer: c) Blue
What is the law of conservation of energy?
a) Energy can be created from nothing
b) Energy can be destroyed
c) Energy cannot be created or destroyed, only transferred
d) Energy is always increasing in a closed system
Answer: c) Energy cannot be created or destroyed, only transferred
In a simple pendulum, the time period is directly proportional to:
a) The length of the string
b) The mass of the bob
c) The angle of displacement
d) The amplitude of oscillation
Answer: a) The length of the string
What is the unit of electric current?
a) Volt
b) Ohm
c) Ampere
d) Watt
Answer: c) Ampere
Which of the following is not a type of electromagnetic radiation?
a) X-rays
b) Sound waves
c) Microwaves
d) Gamma rays
Answer: b) Sound waves
Which law states that the pressure of a gas is inversely proportional to its volume at constant temperature?
a) Boyle's law
b) Charles's law
c) Pascal's law
d) Archimedes' principle
Answer: a) Boyle's law
What is the SI unit of electric charge?
a) Coulomb
b) Ampere-hour
c) Farad
d) Ohm
Answer: a) Coulomb
What is the speed of light in a vacuum?
a) 300,000 meters per second
b) 186,282 miles per second
c) 3 × 10^8 meters per second
d) 299,792,458 meters per second
Answer: d) 299,792,458 meters per second
Which of the following is a semiconductor material?
a) Copper
b) Silver
c) Silicon
d) Aluminum
Answer: c) Silicon
What is the law of reflection for light?
a) Light bends when passing through a medium
b) The angle of incidence is equal to the angle of reflection
c) Light travels in a straight line
d) Light always refracts
Answer: b) The angle of incidence is equal to the angle of reflection
What is the fundamental unit of charge in the atomic world?
a) Proton
b) Neutron
c) Electron
d) Photon
Answer: c) Electron
Which law describes the relationship between the current passing through a conductor and the voltage across it?
a) Ampere's law
b) Ohm's law
c) Coulomb's law
d) Faraday's law
Answer: b) Ohm's law
What is the phenomenon where a sound wave is reflected by a surface and the echo is heard?
a) Refraction
b) Interference
c) Doppler effect
d) Reverberation
Answer: d) Reverberation
Which type of energy is associated with the motion of molecules and atoms?
a) Potential energy
b) Kinetic energy
c) Thermal energy
d) Nuclear energy
Answer: c) Thermal energy
According to the first law of thermodynamics, what is another term for the total energy in a closed system?
a) Work
b) Heat
c) Internal energy
d) Entropy
Answer: c) Internal energy
What is the SI unit of power?
a) Watt
b) Joule
c) Volt
d) Ampere
Answer: a) Watt
In which direction does the Earth's magnetic north pole point?
a) North
b) South
c) East
d) West
Answer: a) North
Post a Comment