EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 12 - Elasticity>KEAM 2018>Q 2

EASY

KEAM

IMPORTANT

Earn 100

A rubber cord of density $d,$ Young's modulus $Y$ and length $L$ is suspended vertically. If the cord extends by a length $0.5 L$ under its own weight, then $L$ is

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Important Questions on Elasticity

MEDIUM

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 12 - Elasticity>KEAM 2020>Q 1

Three thin wires of equal length are suspended from the top of a roof. The respective ratio of their area of cross section is

1 : 2 : 4

and Young's modulii is

4 : 2 : 1,

then the ratio of their weights to be attached at the other ends to obtain same elongation in them is

EASY

KEAM

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR PHYSICS>Chapter 12 - Elasticity>KEAM 2018>Q 2

A rubber cord of density

d,

Young's modulus

Y

and length

L

is suspended vertically. If the cord extends by a length

0.5 L

under its own weight, then

L

is