Question
Two identical solid copper spheres of radius R are placed in contact with each other. The, gravitational force between them is proportional to
 ,


The correct answer is:
Related Questions to study
A light ray is incident perpendicular to one face of 90° prism and is totally internally reflected at the glassair interface. If the angle of reflection is 45° We conclude that the refractive index.....
A light ray is incident perpendicular to one face of 90° prism and is totally internally reflected at the glassair interface. If the angle of reflection is 45° We conclude that the refractive index.....
A ray falls on a prism ABC(AB=BC) and travels as shown in the figure. The minimum refractive, index of the prism material should be.
A ray falls on a prism ABC(AB=BC) and travels as shown in the figure. The minimum refractive, index of the prism material should be.
Two parallel light rays are incident at one surface of a prism of refractive index 1.5 as shown in figure. What is the angle between the rays as they emerge ?
Two parallel light rays are incident at one surface of a prism of refractive index 1.5 as shown in figure. What is the angle between the rays as they emerge ?
is decreasing in
We should know the formulas of differentiation. And, we should know the condition for increasing and decreasing function.
is decreasing in
We should know the formulas of differentiation. And, we should know the condition for increasing and decreasing function.
The interval of increase of the function is
For such questions, we should know different formulas of differentiation.
The interval of increase of the function is
For such questions, we should know different formulas of differentiation.
In experiment of the potentiometer wire of length 100 cm has a resistance of 10, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance. A Source of emf 10mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of the external resistance?
In experiment of the potentiometer wire of length 100 cm has a resistance of 10, It is connected in series with a resistance R and a cell of emf 2 volts and of negligible internal resistance. A Source of emf 10mV is balanced against a length of 40 cm of the potentiometer wire. What is the value of the external resistance?
The function is
For such questions, we should check the rules of increasing and decreasing function.
The function is
For such questions, we should check the rules of increasing and decreasing function.
If the function is decreasing in its domain then
If the function is decreasing in its domain then
The function is
We have to see the rules for a increasing and decreasing function.
The function is
We have to see the rules for a increasing and decreasing function.