Question

1.
The amount of work done in forming a soap film of
The am
size 5 cm x 15 cm if surface tension is 10-2 N/m
is
(1) 3 x 104J
(3) 1.5 x 104 J
(2) 4.5 x 10-5 J
(4) 10-3 J​

Answer 1

Answer:

options 1 is correct answers