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.
An inclined plane of angle \(\theta\), acting as a simple machine, has a velocity ratio
sin\(\theta\)
\(\frac{1}{\text{sin}\theta}\)
cos\(\theta\)
\(\frac{1}{\text{cos}\theta}\)
sin\(\theta cos\theta\)
Correct answer is B
No explanation has been provided for this answer.
Which of the following elements are real magnetic materials?
Iron, steel and nickel
copper, steel and iron
lead, iron and brass
glass, lead and steel
stone, air and iron
Correct answer is A
No explanation has been provided for this answer.
Doppler effect
Resonance
Ultra sound
Diffraction of sound
Rarefaction
Correct answer is A
No explanation has been provided for this answer.
Which of the following does NOT describe the image formed by a plane mirror?
erect
laterally inverted
same distance from mirror as object
magnified
virtual
Correct answer is D
No explanation has been provided for this answer.
average number per unit volume
average kinetic energy
average speed
average seperation
average number of collisions per unit time
Correct answer is D
Since the gas molecules expanded, there's an increase in Separation