Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

A rectangular film of liquid is extended from ( 4cm x 2 cm) to (5 cm X 4 cm). If the work done is 3 X 10-4 J, the value of the surface tension of the liquid is :

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.
An Intiative by Sri Chaitanya

a

0.2 Nm-1

b

0.8 Nm-1

c

0.250 Nm-1

d

0.125 Nm-1

answer is D.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

W=T(2∆A) ⇒   T=W2∆A=3×10-42×12×10-4=0.125 Nm-1
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon
A rectangular film of liquid is extended from ( 4cm x 2 cm) to (5 cm X 4 cm). If the work done is 3 X 10-4 J, the value of the surface tension of the liquid is :