Tardigrade
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Tardigrade
Question
Physics
The young's modulus of a wire of length L and radius r is Y N/m2. If the length and radius are reduced to L/2 and r/2, then its young's modulus will be
Q. The young's modulus of a wire of length
L
and radius
r
is
Y
N
/
m
2
. If the length and radius are reduced to
L
/2
and
r
/2
, then its young's modulus will be
2186
199
BITSAT
BITSAT 2019
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A
Y/2
B
Y
C
2Y
D
4Y
Solution:
Young's modulus does not depend on the length or radius of the material.