#1
What does the inverse square law state?
Force is inversely proportional to the square of the distance
ExplanationForce decreases as distance squared
#2
Which of the following quantities obeys the inverse square law?
Electrostatic force between two charges
ExplanationElectrostatic force decreases as distance squared
#3
Which scientist is credited with formulating the inverse square law of electrostatics?
Charles Coulomb
ExplanationCharles Coulomb formulated electrostatic inverse square law
#4
Which scientist is credited with formulating the inverse square law of gravitation?
Isaac Newton
ExplanationIsaac Newton formulated gravitational inverse square law
#5
In the context of the inverse square law, what does the variable 'r' represent?
The distance between the objects
ExplanationVariable 'r' represents distance between objects
#6
What does the variable 'k' represent in the inverse square law equation?
The constant of proportionality
ExplanationVariable 'k' represents constant of proportionality
#7
What happens to the intensity of light as you move away from a point source?
It decreases as the square of the distance
ExplanationLight intensity diminishes by the square of the distance
#8
If the distance between two charges is doubled, what happens to the electrostatic force between them?
It decreases to one-fourth
ExplanationForce decreases to one-fourth when distance doubles
#9
In the context of gravity, what is the significance of the constant G in the formula for gravitational force?
It relates the force to the masses and distance
ExplanationConstant G relates force, masses, and distance in gravity
#10
What happens to the gravitational force between two objects if the distance between them is tripled?
It becomes one-ninth
ExplanationForce becomes one-ninth when distance triples
#11
Which of the following equations represents the inverse square law?
F = k/r^2
ExplanationInverse square law represented by force equals constant divided by distance squared
#12
If the distance between two charges is halved, what happens to the electrostatic force between them?
It quadruples
ExplanationForce quadruples when distance halved
#13
What is the mathematical expression for the inverse square law?
F = kQq/r^2
ExplanationForce equals constant times charges divided by distance squared
#14
Which of the following physical phenomena does NOT follow the inverse square law?
Intensity of sound waves spreading from a source
ExplanationSound intensity doesn't follow inverse square law
#15
Which law of physics describes the intensity of radiation from a point source?
Stefan-Boltzmann Law
ExplanationStefan-Boltzmann Law describes radiation intensity
#16
What is the relationship between the gravitational force and the masses of two objects according to the inverse square law?
Inversely proportional to the square of the product of the masses
ExplanationGravity force inversely proportional to square of masses
#17
Which law of physics describes the intensity of light from a point source?
Planck's Law
ExplanationPlanck's Law describes light intensity from point source
#18
What is the mathematical expression for the intensity of radiation from a point source?
I = k/d^2
ExplanationIntensity equals constant divided by distance squared