The radius r of half period zone is proportional to

The radius of nth half period zone is proportional to :

If a planet is revolving around sun in circular orbit with force F propto r^(-5/2) , where r is radius, then square of the period is proportional to

A planet is revolving around the sun in a circular orbit with a radius r. The time period is T .If the force between the planet and star is proportional to r^(-3//2) then the quare of time period is proportional to

A planet is revolving around the sun in a circular orbit with a radius r. The time period is T .If the force between the planet and star is proportional to r^(-3//2) then the quare of time period is proportional to

A planet is revolving around the sun in a circular orbit with a radius r. The time period is T .If the force between the planet and star is proportional to r^(-3//2) then the quare of time period is proportional to

A plane wavefront is divided into a number of half period zones as per Fresnel theory. The resultant amplitude at a point due to secondary waves spreading from a zone is

If a is the initial concentration of reaction, then the half life period of a reaction of nth order is proportional to

The number of half period zone to obtain the first minimum is

Imagine a light planet revolving around a very massive star in a circular orbit of radius r with a period of revolution T.If the gravitational force of attraction between the planet and the star is proportional to r^(-3) ,then the square of the time period will be proportional to