Two soap bubbles of radii r1 and r2 equ...

Two soap bubbles of radii `r_1 and r_2` equal to 4cm and 5 cm are touching each other over a common surface `S_1S_2` (shown in figure.) Its radius will be

A

4 cm

B

20 cm

C

5 cm

D

4.5 cm

Verified by Experts

The correct Answer is:

B

Similar Questions

Explore conceptually related problems

Two charged sphere of radii R_1 and R_2 have equal surface charge density. The ratio of their potential is

Two circles of radii 5.5 cm and 3.3 cm respectively touch each other.What is the distance between their centres?

Two soap bubbles of raddi 1mm and 2mm merge isothermally. Then radius of the new bubble formed would be

Two soap bubbles have radii in the ratio of 2:1 The ratio of the excess pressures inside them is

Two spherical soap bubbles of radii r_1 and r_2 in vacuume coalesce under isothermal condition. The resulting bubble has radius R such that

Two circles of radii 5.5cm and 4.2cm touch each other externally. Find the distance between their centres.

IF two circles of radii r_1 and r_2 (r_2gtr_1) touch internally , then the distance between their centres will be

Two circles having radii 3.5 cm and 4.8 cm touch each other internally.Find the distance between their centres.