The force required to stretch a wire of cross-section 1 cm2 to double its length will be:(Given Young's modulus of the wire = 2 × 1011 N/m2)

A=1cm2Y=FIAΔIF=YAΔII=2×1011×10−4×II=2×107N

The force required to stretch a wire of cross-section 1 cm2 to double its length will be:(Given Young's modulus of the wire = 2 × 1011 N/m2)

A=1cm2Y=FIAΔIF=YAΔII=2×1011×10−4×II=2×107N

AI Mentor

Check Your IQ

Free Expert Demo

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

The force required to stretch a wire of cross-section 1 cm² to double its length will be:
(Given Young's modulus of the wire = 2 × 10¹¹ N/m²⁾

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

2 × 10⁷N

2.5 × 10⁷ N

1.5 × 10⁷N

1 × 10⁷ N

answer is C.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

$\begin{array}{l} A = 1 {cm}^{2} \\ Y = \frac{FI}{AΔI} \\ F = \frac{YAΔI}{I} = \frac{2 \times 10^{11} \times 10^{- 4} \times I}{I} \\ = 2 \times 10^{7} N \end{array}$

Watch 3-min video & get full concept clarity

courses

No courses found

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE