Home
Class 11
PHYSICS
If a wire is stretched to double of its ...

If a wire is stretched to double of its original length, then the strain in the wire is

A

1

B

2

C

3

D

4

Text Solution

Verified by Experts

The correct Answer is:
A
* Text book answer wrong
Strain `= (delta t)/(l) rArr because delta l = 2l` (given)
Strain `= (2l)/(2) = 2` Ans.
Promotional Banner

Topper's Solved these Questions

  • PROPERTIES OF MATTER

    SURA PUBLICATION|Exercise Short Answers|29 Videos

  • PROPERTIES OF MATTER

    SURA PUBLICATION|Exercise III Long Answers|13 Videos

  • OSCILLATIONS

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|2 Videos

  • PUBLIC EXAM QUESTION PAPER MARCH-2019

    SURA PUBLICATION|Exercise Part-IV|10 Videos

Similar Questions

Explore conceptually related problems

If a wire of resistance R is stretched to twice its original length, the new resistance of the wire will be:

If resistance of a wire is r ohms and wire is streched to double its length, then what is its resistance ?

If a wire of resistance R is stretched to double its length, then the new resistance is:

A wire of resistance 4 Omega is stretched to twice its original length.The resistance of stretched wire would be

A wire of resistance R is stretched to three times its original length. The new resistance is

A uniform wire resistance 100(Omega) is melted and recast in a wire of length double that of the original . What would be the resistance of the wire?

A wire of 10 ohm resistance is stretched to thrice its original length. What will be its (i) new resistivity and (ii) new resistance?

If a wire is stretched to make it 0.1 % longer the percentage change in its resistance would be:

The resistance of a wire is 'R' ohm. If it is melted and stretched to 'n' times its original length, its new resistance will be