Home
Class 12
PHYSICS
A bubble having surface tension T and ra...

A bubble having surface tension T and radius R is formed on a ring b (b ltlt R).Air is blown inside the tube with velocity V as shown. The air molecule collides perpendicularly with the wall of the bubble and stops. The radius at which the bubble seperates from the rings is

Text Solution

Verified by Experts

`(4T)/(rhov^(2))`
Promotional Banner

Similar Questions

Explore conceptually related problems

A bubble having surface tension T and radius R is formed on a ring of radius b(b lt lt R) . Air is blown inside the tube with velocity v as shown. The air molecule collides perpendicularly with the wall of the bubble and stops. Calculate the radius at which the bubble separates from the ring.

If R is the radius of a soap bubble and S its surface tension, then the excess pressure inside is

A circular ring of mass m and radius R rests flat on a horizontal smooth surface as shown in figure. A particle of mass m , and moving with a velocity v . Collides inelastically (e=0) with the ring the angular velocity with which the system rotates after the particle strikes the ring is

A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will

A soap bubble has radius R and thickness d(ltltR) as shown. It colapses into a spherical drop. The ratio of excess pressure in the drop to the excess pressure inside the bubble is

Two conducting rings P and Q of radius r and 3r move in opposite directions with velocities 2v and v respectively on a conducting surface S. There is a uniform magnetic field of magnitude B perpendicular to the plane of the rings. The potential difference between the highest points of the two rings a

A charged soap bobbe having surface charge density sigma and radius r. If the pressure inside and outsides the soap bubble is the same, then the surface tension of the soap solution is

A block of mass m slides 0n a frictionless table. It is constrained to move inside a ring of radius R . At time t=0 , block is moving along the inside of the ring (i.e. in the tangential direction) with velocity v_(0) . The coefficient of friction between the block and the ring is mu . Find the speed of the block at time t .

A thin ring of mass m and radius R is in pure rolling over a horizontal surface. If v_0 is the velocity of the centre of mass of the ring, then the angular momentum of the ring about the point of contact is

What is the surface energy of an air bubble of radius r inside a soap solution with surface tension T ?