#1
What does the inverse square law state?
Force decreases as the distance decreases
Force increases as the distance increases
Force is directly proportional to the square of the distance
Force is inversely proportional to the square of the distance
#2
Which of the following quantities obeys the inverse square law?
Gravitational force between two masses
Electrostatic force between two charges
Magnetic force between two magnets
Frictional force between two surfaces
#3
Which scientist is credited with formulating the inverse square law of electrostatics?
Isaac Newton
Charles Coulomb
Albert Einstein
James Clerk Maxwell
#4
Which scientist is credited with formulating the inverse square law of gravitation?
Isaac Newton
Albert Einstein
Nikola Tesla
Galileo Galilei
#5
In the context of the inverse square law, what does the variable 'r' represent?
The mass of the object
The gravitational constant
The distance between the objects
The acceleration due to gravity
#6
What does the variable 'k' represent in the inverse square law equation?
The distance between the objects
The constant of proportionality
The mass of one of the objects
The gravitational constant
#7
What happens to the intensity of light as you move away from a point source?
It increases linearly
It decreases linearly
It decreases as the square of the distance
It remains constant
#8
If the distance between two charges is doubled, what happens to the electrostatic force between them?
It doubles
It quadruples
It halves
It decreases to one-fourth
#9
In the context of gravity, what is the significance of the constant G in the formula for gravitational force?
It represents the mass of one of the objects
It represents the mass of both objects
It represents the distance between the objects
It relates the force to the masses and distance
#10
What happens to the gravitational force between two objects if the distance between them is tripled?
It triples
It becomes one-third
It becomes one-ninth
It becomes nine times smaller
#11
Which of the following equations represents the inverse square law?
F = ma
F = k/r
F = k/r^2
F = k*r
#12
If the distance between two charges is halved, what happens to the electrostatic force between them?
It doubles
It quadruples
It halves
It decreases to one-fourth
#13
What is the mathematical expression for the inverse square law?
F = kQq/r
F = kQq/r^2
F = kQq/r^3
F = kQq*r
#14
Which of the following physical phenomena does NOT follow the inverse square law?
Intensity of sound waves spreading from a source
Intensity of light from a point source
Electric field from an infinite charged plane
Magnetic field around a straight current-carrying wire
#15
Which law of physics describes the intensity of radiation from a point source?
Hooke's Law
Ohm's Law
Planck's Law
Stefan-Boltzmann Law
#16
What is the relationship between the gravitational force and the masses of two objects according to the inverse square law?
Directly proportional to the product of the masses
Inversely proportional to the product of the masses
Directly proportional to the square of the product of the masses
Inversely proportional to the square of the product of the masses
#17
Which law of physics describes the intensity of light from a point source?
Coulomb's Law
Beer-Lambert Law
Planck's Law
Stefan-Boltzmann Law
#18
What is the mathematical expression for the intensity of radiation from a point source?
I = k/d
I = k/d^2
I = k*d
I = k*d^2