Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
The quantity of motion of a body is its
acceleration
displacement
momentum
velocity
Correct answer is C
No explanation has been provided for this answer.
In collision between two objects, kinetic energy is conserved only if
one of the objects was initially at rest
potential energy is converted to work
the collision is inelastic
the collision is elastic
Correct answer is D
No explanation has been provided for this answer.
Freezing and vaporization
Evaporation and solidification
Melting and boiling
Condensation and evaporation
Correct answer is C
Since the substance is solid, it will need heat to melt to liquid and once the liquid starts boiling temperature will remain the same.
positrons
protons
photoelectrons
photons
Correct answer is D
No explanation has been provided for this answer.
Which of the following properties is not exhibited by sound waves?
Diffraction
Polarization
Interference
Reflection
Correct answer is B
polarization, property of certain electromagnetic radiations(such as radio waves, visible light, and gamma rays) in which the direction and magnitude of the vibrating electric field are related in a specified way