1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Select the correct statement from the following:
A
Shear modulus of an ideal liquid is infinite
B
Rubber is more elastic than steel
C
The bulk modulus of a perfect rigid body is infinite
D
The bulk modulus of an ideal liquid is zero
2
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
One end of a nylon rope of length 1 and diameter 10 mm is fixed to free limb. A monkey weighing 100 N jumps to catch the free end and stays there. The change in diameter of the rope is (Young's modulus of the wire is Y and Poisson Ratio is $\sigma$ )
A
$\frac{4000 \sigma}{\pi Y}$
B
$\frac{400 \sigma}{\pi Y}$
C
$\frac{40000 \sigma}{\pi Y}$
D
$\frac{40000 \pi}{\sigma Y}$
3
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The temperature of a wire is doubled. The Young's modulus of elasticity

A
Will decrease
B
Will also double
C
Will become four times
D
Will remain the same
4
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

If the ratio of lengths, radii and Young's Moduli of steel and brass wires in the figure are $$\mathrm{a}, \mathrm{b}$$ and $$\mathrm{c}$$ respectively, then the corresponding ratio of increase in their lengths would be

COMEDK 2024 Morning Shift Physics - Elasticity Question 5 English

A
$$ \frac{a}{3 b^2 c} $$
B
$$ \frac{3 a}{2 b^2 c} $$
C
$$ \frac{2 a}{3 b^2 c} $$
D
$$ \frac{2 \mathrm{ab}^2}{c} $$
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