Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app

NEET 2003

Exam: NEET
Year: 2003
Subject: Physics
Chapter: Work, Power and Energy

NEET 2003 · Physics · Work, Power and Energy

When a long spring is stretched by 2 ~cm , its potential energy is...

When a long spring is stretched by

2 \mathrm{~cm}

, its potential energy is

U

. If the spring is stretched by

10 \mathrm{~cm}

, the potential energy stored it will be:

Options

A $\frac{U}{5}$
B $5 U$
C $10 U$
D $25 U$

Correct answer

D. $25 U$

Step-by-step solution

U=\frac{1}{2} K(2)^2

U^{\prime}=\frac{1}{2} K(10)^2

From above equations

U=25 \mathrm{~U}

Practice Work, Power and Energy on Quantrex Academy →

More from Work, Power and Energy

All Work, Power and Energy questions Full Work, Power and Energy list All NEET PYQs