1
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Two identical wires of substances ' $P$ ' and ' $Q$ ' are subjected to equal stretching force along the length. If the elongation of ' $Q$ ' is more than that of ' $P$ ', then

A
both $P$ and $Q$ are equally elastic
B
$P$ is more elastic than $Q$
C
$P$ is plastic and $Q$ is elastic
D
$Q$ is more elastic than $P$
2
MHT CET 2019 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Work done in stretching a wire through 1 mm is 2 J . What amount of work will be done for elongating another wire of same material, with half the length and double the radius of cross section, by 1 mm ?

A
2 J
B
4 J
C
8 J
D
16 J
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