Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
1.1k views
in Physics by (49.4k points)

The Young 's modulus of a wire of length L and radius 'r' is Y. If length is reduced to L/3 and Radius r/4. What will be Its ratio of extension?

1 Answer

+1 vote
by (53.6k points)
selected by
 
Best answer

Young’s modulus is given by

So, ∆l ∝ l and ∆l ∝\(\frac{1}{A}\) and A ∝ r2

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

Categories

...