Physics Elasticity Question 160
Question: A wire of diameter 1mmbreaks under a tension of 1000 N. Another wire, of same material as that of the first one, but of diameter 2 mm breaks under a tension of
[Orissa JEE 2003]
Options:
A) 500 N
B) 1000 N
C) 10000 N
D)4000 N
Show Answer
Answer:
Correct Answer: D
Solution:
Breaking force µ r2 If diameter becomes double then breaking force will become four times i.e. 1000 × 4 = 4000 N
BETA
