JEE Main2012PhysicsLaws of MotionActual
This question has statement 1 and statement 2 . Of the four choices given after the statements, choose the one that best describes the two statements. If two springs S₁ and S₂ of force constants k₁ and k₂ , respectively, are stretched by the same force, it is found that more work is done on spring S₁ than on spring S₂ . Statement 1 : If stretched by the same amount, work done on S ₁ , will be more than that on S ₂ St
Options
- AStatement 1 is false, Statement 2 is true
- BStatement 1 is true, Statement 2 is false
- CStatement 1 is true, Statement 2 is the correct explanation for statement 1
- DStatement 1 is true, Statement 2 is true, Statement 2 is not the correct explanation for statement 1 .
Correct answer
A. Statement 1 is false, Statement 2 is true
Step-by-step solution
F = K ₁ S ₁= K ₂ S ₂ W ₁= FS ₁, ~W ₂= FS ₂ K ₁ S ₁ ^2> K ₂ S ₂^2 S ₁> S ₂ K ₁ < K ₂ W K W ₁ < W ₂