engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 General Science Physics Surface Tension
A soap bubble of radius 25 mm has inside pressure 25 N/m2 above atmospheric pressure. The surface tension in the soap film will be:
1
0.156 N/m
2
2.156 N/m
3
0 N/m
4
1.156 N/m